Answer:
b.
The future value of the cash inflows at the WACC; the present value of the outflows at the WACC
Step-by-step explanation:
The modified internal rate of return (mirr) is the compound annual interest rate that equates the cash inflows at the WACC with the present value of the outflows at the WACC for a project. MIRR is a modification of the internal eate of return and assumes the reinvestment of positive cash flows at the firm's cost of capital and the financing of initial outlays. It is a financial measure of an investment's attractiveness