The Treasury bill rate is 4% and the market risk premium is 8%. Project Beta 0.95 Internal Rate of Return, % 2.00 S 0.35 T1.60 12 21 13 23 a. What are the project costs of capital for new ventures with betas of 70 and 1.59? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Beta 0.70 1.59 Cost of Capital b. Which of the following capital investments have positive NPVs? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer) R P s