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 greater than the crossover rate.

Year Project A Project B

$0$$ $22,000$$ $22,000$

$17,50015,550$

$27,5005,500$

$315,5007,570$

Multiple Choice

$15\mathrm{.}93$; A

$12\mathrm{.}45$; B

$17\mathrm{.}12$; A

$12\mathrm{.}45$; A

$15\mathrm{.}93$; B