18. You are presented with four project options. For each project your marketing department has estimated the expected return. You have estimated the risk of each project and indicated it with an adequate value of beta. For what project does the expected return estimated by your marketing department corresponds to the risk adjusted return calculated by you? T-bills currently yield 7% and the long-term return of the S&P 500 Index is 12%. a. Project A, expected return 15%, beta 1.3 b. Project B, expected return 8%, beta 0.5 c. Project C, expected return 12%, beta 1 d. Project D, expected return 14%, beta 1.6