John bought 1,500 shares of Intel stock on October 18, 2015, for $40 per share plus a $750 commission he paid to his broker. On December 12, 2019, he sells the shares for $57.50 per share. He also incurs a $1,000 fee for this transaction.

a. What is John's adjusted basis in the 1,500 shares of Intel stock?

b. What amount does John realize when he sells the 1,500 shares?

c-1. What is the gain/loss for John on the sale of his Intel stock?