The Treasury bill rate is 4% and the market risk premium is 7%.

Project Beta Internal rate of return %
P 1.0 14
Q 0 6
R 2.0 18
S 0.4 7
T 1.6 20

Required:
a. What are the project costs of capital for new ventures with betas of 0.75 and 1.75?
b. Which of the following capital investments have positive NPVs?

1. P
2. Q
3. R
4. S
5. T