You consider buying a share of APPL stock at a price of $200 on June 1^st 2020. The stock paid a dividend of $4.0 on Jan 15^th 2021, and you sold the stock on Jun 1^st 2021 for $250. The stock's beta is 0.8, risk-free rate rf is 5%, and Erm=15% . What is the stock's abnormal return (or called alpha)?

1. 12%
2. 13%
3. 14%
4. 15%