Theo earned $15,000 over the summer school break and decided to invest in the stock of a small technological company rather than pay off his $15,000 credit card debt. He was counting on doubling his money in the short term so that he could eventually pay the debt and have funds left over. What investment mistakes did he make? I. Making a decision based on an unrealistic goal II. Borrowing to invest III. Taking risks to recover losses from a previous investment . Answer a. I and II, only b. I, II and III c. I and III, only d. II and III, only