You are considering the following two mutually exclusive projects. The crossover rate between these two projects is ___ percent and Project ___ should be accepted if the required return is less than the crossover rate.

(A) 12.79%; B
(B) 15.96%; A
(C) 15.96%; B
(D) 13.28%; B
(E) 13.28%; A

Project A
Year 0 -$21,000
Year 1 $7,000
Year 2 $7,000
Year 3 $15,000

Project B
Year 0 -$21,000
Year 1 $15,000
Year 2 $5,000
Year 3 $7,000