Kenya is a mushroom farmer. She invests all her spare cash in additional mushrooms. which grow on otherwise useless land behind her barn. The mushrooms double in weight during their first year, after which time they are harvested and sold at a constant price per pound. Kenya's friend Fatima asks Kenya for a loan of $200, which she promises to repay after 1 year. How much interest will Fatima have to pay'Kenya in order for Kenya to recover her opportunity cost of making the loan? Interest to be paid to Kenya: $ 16.66