Two years ago, you purchased $100$ shares of a cola company. Your purchase price was $$64$ a share, plus a commission of $$6$ per

share, for a total cost of $$70$ per share. After one year, the stock's market value had risen to $$74.$ At the end of two years, you sold your

cola company stocks for $$90$ a share, less a per$-$share commission of $$2.$ During the two years you held the stock, you received

dividends of $$0\mathrm{.}58$ per share for the first year and $$0\mathrm{.}78$ per share for the second year.

a$.$ Calculate your annual shareholder return for each of the two years you owned the stock. $($Round your answers to $1$ decimal place.

Omit the $"\%"$ sign in your response.$)$

b$.$ Calculate your annual average compound return. $($Round your intermediate calculations and final answer to $1$ decimal place. Omit

the $"\%"$ sign in your response.$)$

Annual average compound return