March 10, 2022, Leanne exercised an incentive stock option (ISO) granted to her by her employer. Her option enabled her to purchase 1,000 shares of stock for $10 per share. When she exercised her option, the stock was trading at $15 per share. She sold the stock at a gain six months later, when the stock was trading at $21 per share. As a result of this transaction, how much should be reported as short-term capital gain income