Answer:
IRR does not take adequately into account relative timing of cash flows
Step-by-step explanation:
Internal rate of return is the discount rate that equates the after-tax cash flows from an investment to the amount invested .
When cash flows shift from negative to positive to negative to positive, it can lead to the multiple IRR problem
Payback calculates the amount of time it takes to recover the amount invested in a project from it cumulative cash flows
Payback does not take adequately into account relative timing of cash flows