Assume Joe invests a total of $10,000 in a company - $5,000 of which is his own money and $5,000 which he borrowed at a 10% interest rate. If the company's stock value decreases by 5% in one year at which time Joe sells his shares of the stock, what is Joe's rate of return on his investment? O a. -5% -10% -30% O d. -20%