Hanse, Incorporated, has the following two mutually exclusive projects available.

Note: Do not round intermediate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

Year Project R Project S

$0$$ $77,000$$ $97,600$

$126,80024,400$

$225,80024,400$

$323,80039,400$

$417,80034,400$

$511,60013,400$

What is the crossover rate for these two projects?

What is the NPV of each project at the crossover rate?