An investor puts up $18,000 but borrows an equal amount of money from his broker to double the amount invested to $36,000. The broker charges 8% on the loan. The stock was originally purchased at $30 per share, and in 1 year the investor sells the stock for $33. The investor’s rate of return was . A. 6.00% B. 2.00% C. 14.00% D. 12.00%