Nathan bought 200 shares of stock at $40 per share ($8,000 total). he paid $5,000 in cash and borrowed $3,000 from the brokerage firm. the loan has an annual interest rate of 6 percent. six months later, the stock’s current price is $38 per share. if nathan sells now, he will pay a commission of $160 and will have to repay the loan. if he sells now, he will lose $ .00.