please make sure answer is right and double check.

A firm with a 9% WACC is evaluating two mutually exclusive projects with the following cash flows (in millions); calculate the discounted payback for the project that maximizes shareholder value. t = 0 1 2 3 4 5 Project H -1,000 500 400 300 200 100 Project K - 1,000 100 200 400 500 500 O 3.88 years O 2.88 years O 4.24 years O 3.24 years O 3.08 years