Can you please answer #3 and #4

If the expected market return is 8% and the T-Bill rate is 2%, what is the expected return on these three stocks? Given #1, what is the expected alpha for these stocks? 3. If the expected market return is 10% and the T-Bill rate is 1%, what is the expected return on these three stocks? 4. Given #3, what is the expected alpha for these stocks