A store offers two payment plans. Under the installment plan, you pay 30% down and 30% of the purchase price in each of the next 3 years. If you pay the entire bill immediately, you can take a 10% discount from the purchase price. a. Which is the better deal if the Interest rate is 5.2%? Installment Plan Immediate Plan b. How will your answer change if the four payments on the installments do not start until the end of the year? Immediate Plan Installment Plan