# Friendly’s Quick Loans, Inc., offers you “three for four or I knock on your door.” This means you get \$3 today and repay \$4 when you get your paycheck in one week (or else). a.If you were brave enough to ask, what APR would Friendly’s say you were paying? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)b.What’s the effective annual return Friendly’s earns on this lending business? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Question
 Friendly’s Quick Loans, Inc., offers you “three for four or I knock on your door.” This means you get \$3 today and repay \$4 when you get your paycheck in one week (or else).

 a. If you were brave enough to ask, what APR would Friendly’s say you were paying? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What’s the effective annual return Friendly’s earns on this lending business? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
Step 1

Part (a) Let R be the APR. Then weekly rate = R / 52

(Assumption: There are 52 weeks in a year)

PV = What you get today = \$ 3

FV = What you have to pay...

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