A retailer has offered you two options to purchase kitchen and laundry appliances: A. $3598.88 cash today; or B. a down payment of $912.50 plus three additional identical payments 80 days, 160 days, and 320 days from today. Find the rate of interest that is implied by the retailer's offer. State and explain which offer you should accept if you could otherwise borrow money at a rate of 3.65 percent.