Suppose the two projects described below are mutually exclusive and the company is not practicing capital rationing. If the hurdle rate equals $\%,$ they will be equivalent to each other from the perspective the investors. Round your answer to $1\%.$

Year

$0$

$1$

$2$

$3$

$4$

$5$

Project A

$-4000$

$100$

$350$

$550$

$2750$

$3500$

Project $B$

$-4000$

$2500$

$2250$

$500$

$200$

$100$