Can someone please help with #3

Suppose that you purchased 100 shares of Blucora (BCOR) common stock 20 years ago for $50.00 per share (excluding commission). Since then they have had four stock splits: 2:1,2:1,2:1, and 1:10. They are currently selling for $20.50 per share, and you haven't. sold any of your shares. 1. How many shares of stock are now in the account? Answer: 80 shares of BCOR 2. What is the split-adjusted price that you paid for the stock? Answer: $ 0.63 per share 3. What is your return on the Blucora stock? (Calculate it both ways. That is, find the return using total dollar amounts and find the return using the split-adjusted price.)