Astore offers two payment plans. under the installment plan, you pay 25% down and 25% of the purchase price in each of the next 3 years. if you pay the entire bill immediately, you can take a discount of 7% from the purchase price. assume the product sells for $100. a-1. calculate the present value of the payments if you can borrow or lend funds at an interest rate of 4 percent. (do not round intermediate calculations. round your answer to 2 decimal places.) a-2 which is a better deal? b-1. calculate the present value if the payments on the 4-year installment plan do not start for a full year. (do not round intermediate calculations. round your answer to 2 decimal places.) b-2. which is a better deal?