Stock transactions: Margin trading

Suppose Beth wants to purchase $600$ shares of Hummingcast stock at $$60$ per share through Kentucky Brokerage. The value of the shares is

If Beth does not have enough funding to purchase the shares herself, and Kentucky Brokerage requires an initial margin of at least $50$ percent, Beth's initial equity investment would need top be at least in order for Kentucky Brokerage to lend her the funds. If Beth invests this amount, then Kentucky Brokerage would cover the remaining

If the price of Hummingcast's decreases to $$50$ per share, then the total$-$value of Beth's shares is now As a result, Beth still owes the brokerage firm and as a result, her equity position is now $,$ which represents of the market value of the stock.

If Kentucky Brokerage requires a maintenance margin of $30$ percent, then Beth receive a miargin call from Kentucky Brokerage.

If Kentucky Brokerage requires a $10$ percent annual interest payment on the loaned funds, the shares paid out an annual divided of $$4$ per share, and Beth sold the shares at the end of the year when the price dropped to $$50$ per share, then what would her return on stocks purchased on margin be$?$

$-32\mathrm{.}40$ percent

$-30\mathrm{.}00$ percent,

$-27\mathrm{.}00$ percent

$-24\mathrm{.}00$ percent