Project A and Project B, two mutually exclusive projects, have the same NPV of $126,240,000; however, their Discounted Payback Periods are different. If Project A has a Discounted Payback period of 7.6 years and Project B has a Discounted Payback period of 2.1 years and the threshold is 13 years, then both projects will be accepted. only Project B will be accepted. only Project A will be accepted. both projects will be rejected. no decision can be made, since the projects are mutually exclusive