9.) For four years, Marty Campbell invested $6,500 each year in Harley-Davidson. The stock was selling for $58 in 2017, $70 in 2018, $54 in 2019, and $68 in 2020.

a.) What is Marty's total investment in Harley-Davidson? _____

b.) After four years, how many shares does Marty own? (Round your intermediate calculations and final answer to nearest whole number.) _______

c.) What is the average cost per share of Marty's investment? (Use the rounded number of shares computed in part b. Round your answer to 2 decimal places.) _____

10.) Bob Orleans invested $4,000 and borrowed $4,000 to purchase shares in Verizon Communications. At the time of his investment, Verizon was selling for $33 a share.

a.) If Bob paid a commission of $40, how many shares could he buy if he used only his own money and did not use margin? _____

b.) If Bob paid a commission of $80, how many shares could he buy if he used his $4,000 and borrowed $4,000 on margin to buy Verizon stock? _____

c.) Assume Bob did use margin to buy his Verizon stock. Also, assume he paid another $80 to sell his stock and sold the stock for $39 a share. How much profit did he make on his Verizon stock investment? _____