Samuelson Electronics has a required payback period of three years for all of its projects. Currently, the firm is analyzing two independent projects. Project A has an expected payback period of 2.9 years. Project B has an expected payback period of 3.1 years. Which project(s) should be accepted based on the payback decision rule? Question 5 options:

A. Neither A nor B

B. Either, but not both projects

C. Project A only

D. Both A and B

E. Project B only