The treasury bill rate is 4% and the market risk premium is 8%.

Project Beta Internal Rate of return %

P 1.10 16

Q 0.00 12

R 2.00 20

S 0.50 13

T 1.60 22

A. what are the project costs of capital for the new ventures with betas of 0.85 and 1.78? (do not round intermediate calculations. enter your answers as a percent rounded to 2 decimal places.

B. which of the capital investments shown above have positive (non-zero) NPV's?