Problem 12-30 CAPM and Cost of Capital (LO3) The Treasury bill rate is 4% and the market risk premium is 8%. a. What are the project costs of capital for new ventures with betas of 0.85 and 1.78 ? Note: 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? Note: 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. Any boxes left with a question mark will be automatically graded as incorrect. Project P Project Q Project R Project S