Sold		Date
2,000 Shares Microsoft	22,500	7/1/2020
75 Shares Apple	28,750	4/15/2020
300 Shares Cooper Tire	14,700	10/14/2020
50 Shares Union Pacific	2,750	1/7/2020
Purchased		Date
2,000 Shares Microsoft	21,000	5/1/2020
200 Shares Apple	90,000	3/8/2016
300 Shares Cooper Tire	9,000	1/12/2015
100 Shares Union Pacific	6,000	9/5/2018

How to compute Capital gain or loss and what to do with it when doing a tax return 2020?