With a typical installment loan, you are asked to sign a contract stating the terms of repayment. If you pay off the loan early, you are entitled to an interest rebate. For example, if you finance $500 and are charged $90 interest (APR 8.46%), the total to be repaid is $590 with 24 monthly payments of $24.59. After 1 year, you decide to pay off the loan, so you figure that the rebate should be $45 (half of the interest for 2 years), but instead you are told the interest rebate is only $23.40. What happened? Look at the fine print on the contract. It says interest will be refunded according to the Rule of 78. The formula for the rebate is as follows: INTEREST REBATE = K(k + 1) x FINANCE CHARGE n(n + 1) where k is the number of payments remaining and n is the total number of payments. Determine the interest rebate on the following. (Round your answers to the nearest cent.) (a) $1,026 interest on an 18-month loan; pay off loan after 12 months $ (b) $330 interest on a 2-year loan with 10 payments remaining $ (c) $10,900 borrowed at 11% on a 4-year loan with 36 months remaining $ (d) $55,000 borrowed at 10% on a 5-year loan with 18 payments remaining

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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With a typical installment loan, you are asked to sign a contract stating the terms of repayment. If you pay off the loan early, you are entitled to an interest rebate. For example, if you finance $500
and are charged $90 interest (APR 8.46%), the total to be repaid is $590 with 24 monthly payments of $24.59. After 1 year, you decide to pay off the loan, so you figure that the rebate should be
$45 (half of the interest for 2 years), but instead you are told the interest rebate is only $23.40. What happened? Look at the fine print on the contract. It says interest will be refunded according to
the Rule of 78. The formula for the rebate is as follows:
k(k + 1)
n(n + 1)
INTEREST REBATE =
x FINANCE CHARGE
where k is the number of payments remaining and n is the total number of payments. Determine the interest rebate on the following. (Round your answers to the nearest cent.)
(a) $1,026 interest on an 18-month loan; pay off loan after 12 months
$
(b) $330 interest on a 2-year loan with 10 payments remaining
$
(c) $10,900 borrowed at 11% on a 4-year loan with 36 months remaining
$
(d) $55,000 borrowed at 10% on a 5-year loan with 18 payments remaining
$
Transcribed Image Text:With a typical installment loan, you are asked to sign a contract stating the terms of repayment. If you pay off the loan early, you are entitled to an interest rebate. For example, if you finance $500 and are charged $90 interest (APR 8.46%), the total to be repaid is $590 with 24 monthly payments of $24.59. After 1 year, you decide to pay off the loan, so you figure that the rebate should be $45 (half of the interest for 2 years), but instead you are told the interest rebate is only $23.40. What happened? Look at the fine print on the contract. It says interest will be refunded according to the Rule of 78. The formula for the rebate is as follows: k(k + 1) n(n + 1) INTEREST REBATE = x FINANCE CHARGE where k is the number of payments remaining and n is the total number of payments. Determine the interest rebate on the following. (Round your answers to the nearest cent.) (a) $1,026 interest on an 18-month loan; pay off loan after 12 months $ (b) $330 interest on a 2-year loan with 10 payments remaining $ (c) $10,900 borrowed at 11% on a 4-year loan with 36 months remaining $ (d) $55,000 borrowed at 10% on a 5-year loan with 18 payments remaining $
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