Samuelson Electronics has a required payback period of four 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?

	A.	Both A and B
	B.	Project B only
	C.	Neither A nor B
	D.	Project A only