You've just opened a margin account with $$25,080$ at your local brokerage firm. You instruct your broker to purchase $600$ shares of Landon Golf stock, which currently sells for $$76$ per share. Suppose the call money rate is $6\mathrm{.}5$ percent and your broker charges you a spread of $1\mathrm{.}5$ percent over this rate. You hold the stock for five months $($or $150$ days$)$ and sell at a price of $$81$ per share. The company paid a dividend of $$0\mathrm{.}31$ per share the day before you sold your stock.

a$.$ What is your total dollar return from this investment?

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

Dollar return

b$.$ What is your effective annual rate of return?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

Effective annual return

$\%$