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 2.8 years and a net present value of $6,800. Project B has an expected payback period of 3.1 years with a net present value of $28,400. Which projects should be accepted based on the payback decision rule?

Select one:

A. Project A only.

B. Project B only.

C. Both A and B.

D. Neither A nor B.

E. Either, but not both projects.