On May 8, 2015, Mary purchased 100 shares of ABC Corporation for $2,000 ($20 per share). On September 10, 2015 she purchased an additional 80 shares of ABC Corporation for $2,400 ($30 per share). On June 5, 2021 she sold 120 shares of ABC for $5,400 ($45 per share)

Calculate the gain or loss of the sale of stock using the FIFO method

Calculate the gain or loss using the Specific Identification method

Which method would be more beneficial to Mary?