Answer:
E. If Projects S and L have the same NPV at the current WACC, 10%, then Project L, the one with the lower IRR, would have a higher NPV if the WACC used to evaluate the projects declined.
Step-by-step explanation:
Net present value is the present value of after tax cash flows from an investment less the amount invested.
Internal rate of return is the discount rate that equates the after tax cash flows from an investment to the amount invested