7. Mario just sold his house for $850,000. If he bought the house 20 years ago for $200,000, what annual rate of return did he earn on the investment? A. 1.18% B. 3.80% C. 7.50% D. 16.25% E. 21.25% 8. If you use more frequent compounding, the annual return (APR) in the previous problem will be: A. greater B. less. C. the same. D. greater or less depending on inflation. E. not possible to determine