22. Which type of option if uncovered, could an investor realize a potential unlimited loss? A. buy call B. buy put C. sell call D. sell put An investor buys 1 ABC Mar 25 call@ 8 and sells 1 ABC Mar 35 call@5 23. An investor sells 100 shares of RET at $64 short and buys 1 RET Dec 70 call@1. The stock then rises to $80 and the investor exercises the call, What was the gain or loss? A. $1700 loss B. S900 gain C. $700 loss D. S1500 gain