4. Assuming monthly payments, which would be a better financing plan for the same $9,000 car? a. 6% interest on the full amount for 48 months compounded monthly b. A $1,000 rebate and 12% interest on the remaining amount for 48 months. Choose the best alternative. c. A painting purchased one month ago for $1,000 has just been sold for $1,700. What nominal annual rate of return did the owner receive on his investment?