<u>The total lifetime cost of all the loans is $31336.8
</u>
Further Explanation:
Present Value: It is the current value of a future cash flow or streams of cash flow calculated at given a specific rate of return. The present value the as:

Calculate the total lifetime cost of the loan:

<u>Thus, the total lifetime cost of all the loans is $31336.8</u>
Working note 1:
Calculate the monthly payment:

Then,
![\begin{aligned}PV&=A\times\dfrac{\left[1-\left(\dfrac{1}{(1+r)^{n}}\right)\right]}{r}\\&=\$22,000\times\dfrac{\left[1-\left(\dfrac{1}{\left(1+\dfrac{7.5}{12}\right)^{120}}\right)\right]}{\dfrac{7.5}{12}}\\&=\$261.14\end{aligned}](https://tex.z-dn.net/?f=%5Cbegin%7Baligned%7DPV%26%3DA%5Ctimes%5Cdfrac%7B%5Cleft%5B1-%5Cleft%28%5Cdfrac%7B1%7D%7B%281%2Br%29%5E%7Bn%7D%7D%5Cright%29%5Cright%5D%7D%7Br%7D%5C%5C%26%3D%5C%2422%2C000%5Ctimes%5Cdfrac%7B%5Cleft%5B1-%5Cleft%28%5Cdfrac%7B1%7D%7B%5Cleft%281%2B%5Cdfrac%7B7.5%7D%7B12%7D%5Cright%29%5E%7B120%7D%7D%5Cright%29%5Cright%5D%7D%7B%5Cdfrac%7B7.5%7D%7B12%7D%7D%5C%5C%26%3D%5C%24261.14%5Cend%7Baligned%7D)
<u>Thus, the total amount of monthly payment is $261.14
</u>
Learn more:
1. The present value of the allowance
<u>brainly.com/question/6538564
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2. Future value of the investment
<u>brainly.com/question/5588933
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3. Net present value
<u>brainly.com/question/5454648
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Answer details:
Grade: High School
Subject: Financial Management
Chapter: Time Value of Money
Keywords: At the, beginning, of each, of, her, four, years, in college, Miranda, took, out, a new, Stafford, loan, Each, loan, had, a principal, of $5,500, an interest, rate, of, 7.5%, compounded, monthly, and, a duration, often, year,. Miranda, paid, off, each loan, by making, constant, monthly payments, starting, with, when, she, graduated, All, of the loans, were subsidized, What is the total, lifetime, cost, for Miranda, to pay, off her, 4 loans.