Question 3 2 pts Polly Khan is trying to calculate the risk-free rate given the following information: The current market rate of interest is 10%. Investors have been requiring a 15% annual return on Builtrite's stock which has a beta of 2.0. What is the current risk-free rate? 2% O 3% O 4% O 5% Question 4 2 pts Builtrite has calculated the average cash flow to be $16,000 with a standard deviation of $2,500. What is the probability of a cash flow being greater than $12,250? (Assume a normal distribution.) O 6.68% 43.32% 76.68% O 93.32%