Snootify.com will build a huge warehouse which will cost $$560$ million. The company expects to generate $$75$ million each year from the project for $9$ years.

$(1)$ What is the NPV of this project if the appropriate discount rate is $4\mathrm{.}3\%?$

$(2)$ Should the project be accepted? Why or why not?

$(3)$ What is the project's IRR?

$(4)$ Should you accept the project based on its IRR? Why or why not?