Quick Loans (a pay day loan company) offers you three for four or 1 knock on your door. This means you get $3 today and have to repay $4 when you get your paycheck in one week (or else you get the knock on your door, which we can assume will be unpleasant). [Note: Large numbers are OK.] a. If you were brave enough to ask, what APR would the lender (Quick Loans) say you were paying? b. What is the effective annual return the lender (Quick Loans) earns on this lending business (the lender loans $3 today and gets $4 in one time period)?