Robert owns 1000 shares of Johnson & Johnson stock that he bought on March 31, 2020, for $100 per share. On April 30, 2020, Robert enters into a Short Sale of 1000 shares of Johnson & Johnson Stock by borrowing 1,000 shares of Johnson & Johnson stock in the market. At the time of the Short Sale, April 30, 2020, the Johnson & Johnson stock is selling for $120 per share. Robert closes out the Short Sale on August 31, 2020, by purchasing 1,000 shares of Johnson & Johnson stock in the market for $110 per share. He continues to hold the Johnson & Johnson stock that he purchased on March 31, 2020, for $100 per share. What are the Federal income tax consequences, if any, to the 1000 shares of Johnson & Johnson stock that Robert bought on March 31, 2020, when he enters into the Short Sale on April 30, 2020?

state IRS regulations/codes with the answer.