Essentials of Corporate Finance
Essentials of Corporate Finance
8th Edition
ISBN: 9780078034756
Author: Stephen A. Ross, Randolph W. Westerfield, Bradford D. Jordan
Publisher: MCGRAW-HILL HIGHER EDUCATION
Question
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Chapter 12, Problem 22QP
Summary Introduction

To determine: The weighted average after-tax cost of debt

Introduction:

The cost of debt refers to the return that the bondholders or lenders expect on their principal. In other words, it refers to the borrowing costs of the company.

Expert Solution & Answer
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Answer to Problem 22QP

The weighted average after-tax cost of debt is 4.67 percent.

Explanation of Solution

Given information:

Company Y has four bond issues. All the bonds make semiannual coupon payments. The corporate tax rate is 34 percent. Assume that the face value of one bond is $1,000. It issued Bond 1 with a coupon rate of 7.5 percent. The remaining time to maturity of the bond is 5 years. The market price of the bond is 105 percent of the face value. The total face value of Bond 1 is $20,000,000.

It issued Bond 2 with a coupon rate of 5.8 percent. The remaining time to maturity of the bond is 8 years. The market price of the bond is 95.4 percent of the face value. The total face value of Bond 2 is $40,000,000.

It issued Bond 3 with a coupon rate of 7.7 percent. The remaining time to maturity of the bond is 15.5 years. The market price of the bond is 103.8 percent of the face value. The total face value of Bond 3 is $45,000,000

It issued Bond 4 with a coupon rate of 7.7 percent. The remaining time to maturity of the bond is 25 years. The market price of the bond is 105.7 percent of the face value. The total face value of Bond 4 is $60,000,000

Formulae:

The formula to calculate the market value of debt:

Market value of debt=Face value of the debt×Price quote

The formula to calculate the total market value of the debt:

Total market value of debt=Market value of Debt 1+Market value of Debt 2

The formula to calculate annual coupon payment:

Annual coupon payment=Face value of the bond×Coupon rate

The formula to calculate the current price or the market value of the debt:

Current price=Face value of the debt×Last price percentage

The formula to calculate the yield to maturity:

Bond value=C×[11(1+r)t]r+F(1+r)t

Where,

C” refers to the coupon paid per period

F” refers to the face value paid at maturity

“r” refers to the yield to maturity

“t” refers to the periods to maturity

The formula to calculate the after-tax cost of debt:

After-tax RD=RD×(1TC)

Where,

RD” refers to the cost of debt

TC” refers to the corporate tax rate

The formula to calculate the weighted average cost of debt:

Cost of Debt=(Market value of Debt 1Total market value of the debt×Cost of debt of Debt 1)+(Market value of Debt 2Total market value of the debt×Cost of debt of Debt 2)

Compute the market value of Bond 1:

Market value of debt=Face value of the debt×Price quote=$20,000,000×105100=$21,000,000

Hence, the market value of Bond 1 is $21,000,000.

Compute the market value of Bond 2:

Market value of debt=Face value of the debt×Price quote=$40,000,000×95.4100=$38,160,000

Hence, the market value of Bond 2 is $38,160,000.

Compute the market value of Bond 3:

Market value of debt=Face value of the debt×Price quote=$45,000,000×103.8100=$46,710,000

Hence, the market value of Bond 3 is $46,710,000.

Compute the market value of Bond 4:

Market value of debt=Face value of the debt×Price quote=$60,000,000×105.7100=$63,420,000

Hence, the market value of Bond 4 is $63,420,000.

Compute the total market value of the debt:

Total market value of debt=((Market valueof Bond 1)+(Market valueof Bond 2)+(Market valueof Bond 3)+(Market valueof Bond 4))=$21,000,000+$38,160,000+$46,710,000+$63,420,000=$169,290,000

Hence, the total market value of debt is $169,290,000.

Compute the cost of debt for Bond 1:

Compute the annual coupon payment:

Annual coupon payment=Face value of the bond×Coupon rate=$1,000×7.5%=$75

Hence, the annual coupon payment is $75.

Compute the current price of the bond:

The face value of the bond is $1,000. The bond value is 105% of the face value of the bond.

Current price=Face value of the bond×Last price percentage=$1,000×105100=$1,050

Hence, the current price of the bond is $1,050.

Compute the semiannual yield to maturity of Bond 1 as follows:

The bond pays the coupons semiannually. The annual coupon payment is $65. However, the bondholder will receive the same is two equal installments. Hence, semiannual coupon payment or the 6-month coupon payment is $37.5 ($65÷2) .

The remaining time to maturity is 5 years. As the coupon payment is semiannual, the semiannual periods to maturity are 10 (5 years×2) . In other words, “t” equals to 10 6-month periods.

Bond value=C×[11(1+r)t]r+F(1+r)t$1,050=$37.5×[11(1+r)10]r+$1,000(1+r)10 Equation (1)

Finding “r” in Equation (1) would give the semiannual yield to maturity. However, it is difficult to simplify the above the equation. Hence, the only method to solve for “r” is the trial and error method.

The first step in trial and error method is to identify the discount rate that needs to be used. The bond sells at a premium in the market if the market rates (Yield to maturity) are lower than the coupon rate. Similarly, the bond sells at a discount if the market rate (Yield to maturity) is greater than the coupon rate.

In the given information, the bond sells at a premium because the market value of the bond is higher than its face value. Hence, substitute “r” with a rate that is lower than the coupon rate until one obtains the bond value close to $1,050.

The coupon rate of 7.5 percent is an annual rate. The semiannual coupon rate is 3.75 percent (7.5 percent÷2) . The trial rate should be below 3.75 percent.

The attempt under the trial and error method using 3.16 percent as “r”:

Bond value=C×[11(1+r)t]r+F(1+r)t=$37.5×[11(1+0.0316)10]0.0316+$1,000(1+0.0316)10=$317.2864+$732.6333=$1,049.92

The current price of the bond is $1,049.92 when “r” is 3.16 percent. The value is close to $1,050. Hence, 3.16 percent is the semiannual yield to maturity.

Compute the annual yield to maturity:

Yield to maturity=Semiannual yield to maturity×2=3.16%×2=6.32%

Hence, the yield to maturity is 6.32 percent.

Compute the after-tax cost of Bond 1:

The pre-tax cost of debt is equal to the yield to maturity of the bond. The yield to maturity of the bond is 6.32 percent. The corporate tax rate is 34 percent.

After-tax RD=RD×(1TC)=0.0632×(10.34)=0.0632×0.66=0.0417 or 4.17%

Hence, the after-tax cost of Bond 1 is 4.17 percent.

Compute the cost of debt for Bond 2:

Compute the annual coupon payment:

Annual coupon payment=Face value of the bond×Coupon rate=$1,000×5.8%=$58

Hence, the annual coupon payment is $58.

Compute the current price of the bond:

The face value of the bond is $1,000. The bond value is 95.4% of the face value of the bond.

Current price=Face value of the bond×Last price percentage=$1,000×95.4100=$954

Hence, the current price of the bond is $954.

Compute the semiannual yield to maturity of Bond 2 as follows:

The bond pays the coupons semiannually. The annual coupon payment is $58. However, the bondholder will receive the same is two equal installments. Hence, semiannual coupon payment or the 6-month coupon payment is $29 ($58÷2) .

The remaining time to maturity is 8 years. As the coupon payment is semiannual, the semiannual periods to maturity are 16 (8 years×2) . In other words, “t” equals to 16 6-month periods.

Bond value=C×[11(1+r)t]r+F(1+r)t$954=$29×[11(1+r)16]r+$1,000(1+r)16 Equation (1)

Finding “r” in Equation (1) would give the semiannual yield to maturity. However, it is difficult to simplify the above the equation. Hence, the only method to solve for “r” is the trial and error method.

The first step in trial and error method is to identify the discount rate that needs to be used. The bond sells at a premium in the market if the market rates (Yield to maturity) are lower than the coupon rate. Similarly, the bond sells at a discount if the market rate (Yield to maturity) is greater than the coupon rate.

In the given information, the bond sells at a discount because the market value of the bond is lower than its face value. Hence, substitute “r” with a rate that is higher than the coupon rate until one obtains the bond value close to $954.

The coupon rate of 5.8 percent is an annual rate. The semiannual coupon rate is 2.9 percent (5.8 percent÷2) . The trial rate should be above 2.9 percent.

The attempt under the trial and error method using 3.28 percent as “r”:

Bond value=C×[11(1+r)t]r+F(1+r)t=$29×[11(1+0.0328)16]0.0328+$1,000(1+0.0328)16=$356.5953+$596.6784=$953.27

The current price of the bond is $953.27 when “r” is 3.28 percent. The value is close to $954. Hence, 3.28 percent is the semiannual yield to maturity.

Compute the annual yield to maturity:

Yield to maturity=Semiannual yield to maturity×2=3.28%×2=6.56%

Hence, the yield to maturity is 6.56 percent.

Compute the after-tax cost of Bond 2:

The pre-tax cost of debt is equal to the yield to maturity of the bond. The yield to maturity of the bond is 6.56 percent. The corporate tax rate is 34 percent.

After-tax RD=RD×(1TC)=0.0656×(10.34)=0.0656×0.66=0.0432 or 4.32%

Hence, the after-tax cost of Bond 2 is 4.32 percent.

Compute the cost of debt for Bond 3:

Compute the annual coupon payment:

Annual coupon payment=Face value of the bond×Coupon rate=$1,000×7.7%=$77

Hence, the annual coupon payment is $77.

Compute the current price of the bond:

The face value of the bond is $1,000. The bond value is 103.8% of the face value of the bond.

Current price=Face value of the bond×Last price percentage=$1,000×103.8100=$1,038

Hence, the current price of the bond is $1,038.

Compute the semiannual yield to maturity of Bond 3 as follows:

The bond pays the coupons semiannually. The annual coupon payment is $77. However, the bondholder will receive the same is two equal installments. Hence, semiannual coupon payment or the 6-month coupon payment is $38.5 ($77÷2) .

The remaining time to maturity is 15.5 years. As the coupon payment is semiannual, the semiannual periods to maturity are 31 (15.5 years×2) . In other words, “t” equals to 31 6-month periods.

Bond value=C×[11(1+r)t]r+F(1+r)t$1,038=$38.5×[11(1+r)31]r+$1,000(1+r)31 Equation (1)

Finding “r” in Equation (1) would give the semiannual yield to maturity. However, it is difficult to simplify the above the equation. Hence, the only method to solve for “r” is the trial and error method.

The first step in trial and error method is to identify the discount rate that needs to be used. The bond sells at a premium in the market if the market rates (Yield to maturity) are lower than the coupon rate. Similarly, the bond sells at a discount if the market rate (Yield to maturity) is greater than the coupon rate.

In the given information, the bond sells at a premium because the market value of the bond is higher than its face value. Hence, substitute “r” with a rate that is lower than the coupon rate until one obtains the bond value close to $1,038.

The coupon rate of 7.7 percent is an annual rate. The semiannual coupon rate is 3.85 percent (7.7 percent÷2) . The trial rate should be below 3.85 percent.

The attempt under the trial and error method using 3.64 percent as “r”:

Bond value=C×[11(1+r)t]r+F(1+r)t=$38.5×[11(1+0.0364)31]0.0364+$1,000(1+0.0364)31=$708.5441+$330.1037=$1,038.64

The current price of the bond is $1,038.64 when “r” is 3.64 percent. The value is close to $1,038. Hence, 3.64 percent is the semiannual yield to maturity.

Compute the annual yield to maturity:

Yield to maturity=Semiannual yield to maturity×2=3.64%×2=7.28%

Hence, the yield to maturity is 7.28 percent.

Compute the after-tax cost of Bond 3:

The pre-tax cost of debt is equal to the yield to maturity of the bond. The yield to maturity of the bond is 6.51 percent. The corporate tax rate is 34 percent.

After-tax RD=RD×(1TC)=0.0728×(10.34)=0.0728×0.66=0.0480 or 4.80%

Hence, the after-tax cost of Bond 3 is 4.80 percent.

Compute the cost of debt for Bond 4:

Compute the annual coupon payment:

Annual coupon payment=Face value of the bond×Coupon rate=$1,000×8.1%=$81

Hence, the annual coupon payment is $81.

Compute the current price of the bond:

The face value of the bond is $1,000. The bond value is 105.7% of the face value of the bond.

Current price=Face value of the bond×Last price percentage=$1,000×105.7100=$1,057

Hence, the current price of the bond is $1,057.

Compute the semiannual yield to maturity of Bond 4 as follows:

The bond pays the coupons semiannually. The annual coupon payment is $81. However, the bondholder will receive the same is two equal installments. Hence, semiannual coupon payment or the 6-month coupon payment is $40.5 ($81÷2) .

The remaining time to maturity is 25 years. As the coupon payment is semiannual, the semiannual periods to maturity are 50 (25 years×2) . In other words, “t” equals to 31 6-month periods.

Bond value=C×[11(1+r)t]r+F(1+r)t$1,057=$40.5×[11(1+r)50]r+$1,000(1+r)50 Equation (1)

Finding “r” in Equation (1) would give the semiannual yield to maturity. However, it is difficult to simplify the above the equation. Hence, the only method to solve for “r” is the trial and error method.

The first step in trial and error method is to identify the discount rate that needs to be used. The bond sells at a premium in the market if the market rates (Yield to maturity) are lower than the coupon rate. Similarly, the bond sells at a discount if the market rate (Yield to maturity) is greater than the coupon rate.

In the given information, the bond sells at a premium because the market value of the bond is higher than its face value. Hence, substitute “r” with a rate that is lower than the coupon rate until one obtains the bond value close to $1,057.

The coupon rate of 8.1 percent is an annual rate. The semiannual coupon rate is 4.05 percent (8.1 percent÷2) . The trial rate should be below 4.05 percent.

The attempt under the trial and error method using 3.79 percent as “r”:

Bond value=C×[11(1+r)t]r+F(1+r)t=$40.5×[11(1+0.0379)50]0.0379+$1,000(1+0.0379)50=$902.2449+$155.6770=$1,057.92

The current price of the bond is $1,057.92 when “r” is 3.411 percent. Hence, 3.79 percent is the semiannual yield to maturity.

Compute the annual yield to maturity:

Yield to maturity=Semiannual yield to maturity×2=3.79%×2=7.58%

Hence, the yield to maturity is 6.82 percent.

Compute the after-tax cost of Bond 4:

The pre-tax cost of debt is equal to the yield to maturity of the bond. The yield to maturity of the bond is 6.82 percent. The corporate tax rate is 34 percent.

After-tax RD=RD×(1TC)=0.0758×(10.34)=0.0682×0.66=0.0500 or 5%

Hence, the after-tax cost of Bond 4 is 5 percent.

Compute the overall after-tax cost of the debt of Company Y:

Weighted averageafter-taxcostof debt}=[(Market value of Bond 1Total market value of the debt×Cost of Bond 1)+(Market value of Bond 2Total market value of the debt×Cost of Bond 2)+(Market value of Bond 3Total market value of the debt×Cost of Bond 3)+(Market value of Bond 4Total market value of the debt×Cost of Bond 4)]=[($21,000,000$169,290,000×0.0417)+($38,160,000$169,290,000×0.0432)+($46,710,000$169,290,000×0.0480)+($63,420,000$169,290,000×0.0500)]=0.0051+0.0097+0.0132+0.0187=0.0467 or 4.67%

Hence, the overall cost of debt of the firm is 4.67 percent.

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