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geniusboy [140]
2 years ago
6

Melanie is looking for a loan. She is willing to pay no more than an effective rate of 9. 955% annually. Which, if any, of the f

ollowing loans meet Melanie’s criteria? Loan A: 9. 265% nominal rate, compounded weekly Loan B: 9. 442% nominal rate, compounded monthly Loan C: 9. 719% nominal rate, compounded quarterly a. B only b. A and C c. A and B d. None of these fit Melanie’s criteria. Please select the best answer from the choices provided A B C D.
Mathematics
1 answer:
Jlenok [28]2 years ago
6 0

Melanie should take A and B, being r(loan a)= 9.699% annually, r(loan b)=9.862% annual

<h3>What options Melanie should choose for the best deal?</h3>

It is given that

Loan A: 9.265% nominal rate, compounded weekly

In order to find the easiest effective rate, we need to divide this rate by 52 (which are the weeks in a year). Once we do that, we convert this effective weekly rate into an effective annual rate. Let´s walk you through all this.

r(Eweek)=\dfrac{0.09265}{52} =0.00178173

Or 0.178173% effective weekly. Now we can transform it into an effective annual rate.

r(e,a)=1+(r(e.week))^{52} -1

r(e,a)=1+(0.00178173)^{52} -1=0.09699

Or 9.669% annual, which is less than 9.955%, so this one is selected, let´s check the next.

Loan B: 9.442% nominal rate, compounded monthly

Just like we did with Loan A, we need to divide this rate too, only this time, we will divide by 12, therefore obtaining an effective monthly rate.

r(Emonth)=\dfrac{0.09442}{12} =0.00786833

Or 0.786833% effective monthly, let´s turn it into an effective annual rate.

r(e,a)=1+(r(e.month))^{12} -1

r(e,a)=1+(0.00786833))^{12} -1=0.09862

Or 9.862% annual, so this rate would work for Melanie too. This means that option C) is the answer we are looking for but, let´s walk that extra mile and turn that Loan C rate into an annual rate.

r(Eweek)=\dfrac{0.09719}{4} =0.0242975

or 2.42975% effective quarterly, now, let´s convert it into an effective annual rate.

r(e,a)=1+(0.0 242975))^{12} -1=0.010079

That is 10.079% effective annual, therefore, Loan C is not an option for Melanie.

Thus Melanie should take A and B, being r(loan a)= 9.699% annually, r(loan b)=9.862% annual

To know more about Compound interest follow

brainly.com/question/24924853

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