A project has the following cash flows.

Year $0$: $-$$$50,000$

Year $1$: $$20,000$

Year $3$: $$10,000$

Year $5$: $$50,000$

Suppose that your required return is $5\%.$

$*$ To compute the PV of cash flow at Year $5,$ how many times it is discounted $($power of discounting$)?$

$*$ What is the NPV of the project?

$*$ What is the PI$?$

$*$ List the formula of IRR.