Q1: A company's board of directors approved a 2-for-1 stock split. If you owned 70 shares before the stock split at $22.27 per share, how much would your shares be worth in total immediately after the split?

Q2: You purchased 100 shares of stock for a share price of $17.46. You sold the stock two years later for a share price of $19.57. You also received total dividend payments of $1.97 per share. What was your total return on your investment?

Q3: If you earned a 2.0% return on your savings with a 20% tax rate, what is your after tax rate of return ?

Could you please show each step so i can see where i am making a mistake in my math ?