(6 points) Serendipity takes a $21,000 loan at a nominal annual interest rate of 5% compounded weekly, to be repaid in equal weekly payments. Click for a hint For the purposes of this problem, assume that one year is precisely 52 weeks. a) If Serendipity is to repay the loan over 3 years starting one week from the time the loan was made, how much is Serendipity's weekly installment? Answer = $ does b) Suppose that Serendipity has made the weekly payments you found in (a) for the first 52 weeks. How much mon she owe to the lender immediately after making the 52nd payment? Answer = $ Click for a hint Calculate the present value of the remaining payments using the unrounded value from part (a). C) If Serendipity is to repay the loan over 3 years, but starting one year from the time the loan was made, how much is Serendipity's weekly installment? Answer = $ Click for a hint The loan is repaid after a total of about 4 years