A company is considering two mutually exclusive projects Adept and Boffo. Project Adept requires an initial investment of $$100,000$

and is expected to generate after$-$tax cash flows of $$45,000$ per year for three years. Project Boffo requires an initial investment of

$$150,000$ and is expected to generate after$-$tax cash flows of $$50,000$ per year for four years. The appropriate discount rate is $10\%.$

What is the crossover rate for projects Adept and Boffo?

$4\mathrm{.}06\%$

$16\mathrm{.}65\%$

$7\mathrm{.}77\%$

$12\mathrm{.}59\%$