Please show all work and equations as needed.

7. You purchase a share of Boeing stock for $90. One year later, after receiving a dividend of S3, for $92. What was your holding-period return? A. 4.44% B. 2.22% C. 3.33% D. 5.56% E. None of the options are correct provides the more 8.When comparing investments with different horizons, the accurate comparison. A. arithmetic average B. effective annual rate C. average annual return D. historical annual average