Fundamentals Of Corporate Finance, 9th Edition
Fundamentals Of Corporate Finance, 9th Edition
9th Edition
ISBN: 9781260052220
Author: Richard Brealey; Stewart Myers; Alan Marcus
Publisher: McGraw-Hill Education
Question
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Chapter 3, Problem 26QP

a)

Summary Introduction

To determine: Average tax rate and marginal tax rate of a single tax payer.

a)

Expert Solution
Check Mark

Explanation of Solution

Given information:

The income of the single tax payer is $20,000.

The slab rates of single tax payers are as follows, they are

Fundamentals Of Corporate Finance, 9th Edition, Chapter 3, Problem 26QP

If the taxable income is $20,000 then up to $9,275 the tax rate is 10% and after that remaining balance is charged under 15% tax rate.

Calculation of taxes:

Taxes=($9,275×0.10)+(($20,000$9,275)×0.15)=$2,535.95

Hence, taxes are $2,535.95.

Calculation of Average tax rate:

Averagetaxrate=$2,535.95$20,000=0.127=12.70%

Hence, average tax rate is 12.70%.

The marginal rate of tax is the tax rate that a person is incurred on his income of each additional dollar. Here the marginal rate is 15% incurred on each additional dollar of his income.

b)

Summary Introduction

To determine: Average tax rate and marginal tax rate of a single tax payer.

b)

Expert Solution
Check Mark

Explanation of Solution

Given information:

The income of the single tax payer is $50,000.

If the taxable income is $50,000 then up to $9,275 the tax rate is 10%, after that tax rate is 15% up to $37,650 then, after remaining balance is charged under 25% tax rate.

Calculation of taxes:

Taxes=($9,275×0.10)+(($37,650$9,275)×0.15)+(($50,000$37,650)×0.25)=$8,270.75

Hence, taxes are $8,270.75.

Calculation of Average tax rate:

Averagetaxrate=$8,270.75$50,000=0.165=16.5%

Hence, average tax rate is 16.50%

The marginal rate of tax is the tax rate that a person is incurred on his income of each additional dollar. Here the marginal rate is 25% incurred on each additional dollar of his income.

c)

Summary Introduction

To determine: Average tax rate and marginal tax rate of a single tax payer.

c)

Expert Solution
Check Mark

Explanation of Solution

Given information:

The income of the single tax payer is $300,000.

If the taxable income is $300,000 then up to $9,275 the tax rate is 10%, after that tax rate is 15% up to $37,650, up to $91,150 the tax rate is 25% and up to $190,150 the tax rate is 28% and up to $413,350 the tax rate is 33%, then the remaining balance is charged under 35% tax rate.

Calculation of taxes:

Taxes=($9,275×0.10)+(($37,650$9,275)×0.15)+(($91,150$37,650)×0.25)+(($190,150$91,150)×0.28)+(($300,000$190,150)×0.33)=$82,528.59

Hence, taxes are $82,528.59.

Calculation of Average tax rate:

Averagetaxrate=$82,528.59$300,000=0.275=27.50%

Hence, average tax rate is 27.50%.

The marginal rate of tax is the tax rate that a person is incurred on his income of each additional dollar. Here the marginal rate is 33% incurred on each additional dollar of his income.

d)

Summary Introduction

To determine: Average tax rate and marginal tax rate of a single tax payer.

d)

Expert Solution
Check Mark

Explanation of Solution

Given information:

The income of the single tax payer is $3,000,000.

Calculation of taxes:

Taxes=($9,275×0.10)+(($37,650$9,275)×0.15)+(($91,150$37,650)×0.25)+(($190,150$91,150)×0.28)+(($413,350$190,150)×0.33)+(($415,050$413,350)×0.35)+(($3,000,000$415,050)×0.396)=$1,144,170

Hence, taxes are $1,144,170.

Calculation of Average tax rate:

Averagetaxrate=$1,144,170$3,000,000=0.381=38.1%

Hence, average tax rate is 38.1%

The marginal rate of tax is the tax rate that a person is incurred on his income of each additional dollar. Here the marginal rate is 39.6% incurred on each additional dollar of his income.

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