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 smaller than $11\%.$

Year Project A Project B

$0$$ $40,000$$ $40,000$

$121,50013,730$

$213,50011,500$

$313,50025,700$

Incorrect answer:

$13\mathrm{.}09\%$; B

$11\mathrm{.}31\%$; B

$,$ Not Selected

$11\mathrm{.}31\%$; A

$,$ Not Selected

$13\mathrm{.}09\%$; A