In terms of the decision of what to do with extra cash, the firm's managers should undertake projects only if: O a. the firm never pays a dividend. O b. the expected return on the project is greater than that of an asset of similar risk. O c. the expected return on the project is less than that of an asset of similar risk. O d. the expected return on the project is equal to that of an asset of similar risk. O e. none of the above