Consider an investment that costs $100,000$ and has a cash inflow of $25,000$

every year for $5$ years. The required return is $9\%,$ and payback cutoff is $4$ years.

a$)$ What is the payback period?

b$)$ What is the r$?$

c$)$ What is the AAR?

d$)$ What is the discounted payback period?

e$)$ What is the NPV$?$

f$)$ What is the IRR?

g$)$ What is the PI$?$

h$)$ What method should be the primary decision rule? Should we accept the project?