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$$ $83,000$$ $102,400$

$129,20025,600$

$228,20025,600$

$326,20040,600$

$420,20035,600$

$510,40014,600$

What is the crossover rate for these two projects?

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