At the 50th unit of action, the marginal benefit is equal to $20 and the marginal cost is equal to $25. which of the following is true? oa. the 50th unit of action should not be undertaken o b. the 50th unit of action minimizes total costs. o c. the 50th unit of action maximizes total gains (total profits). o d. the 50th unit of action should be undertaken.

Suppose your firm is considering investing in a project with the cash flows shown as follows, that the required rate of return on projects of this risk class is 10 percent, and that the maximum allowable payback and discounted payback statistics for the project are three and a half and four and a half years, respectively. use the irr decision to evaluate this project; should it be accepted or rejected