No matter which brand he chooses, gareth will pay for the freezer on his credit card, which has an apr of 9.31%, compounded monthly. it takes gareth eighteen months to pay off a brand s freezer and four years to pay off a brand r freezer. assuming that gareth makes no other purchases or payments with his credit card, over the next ten years, which brand of freezer will have a lower lifetime cost, and how much lower will it be? (round all dollar values to the nearest cent.) a. brand r will be $548.18 cheaper than brand s. b. brand r will be $712.40 cheaper than brand s. c. brand s will be $85.00 cheaper than brand r. d. brand s will be $164.22 cheaper than brand r.