You are considering the following two projects and can take only one. Your cost of capital is $11\mathrm{.}3\%.$ The cash flows for the two projects are as follows$($$ million$)$: LOADING....Project Year $0$ Year $1$ Year $2$ Year $3$ Year $4$

A $-10025313851$

B $-10051383121$

a$.$ What is the IRR of each$$ project?

b$.$ What is the NPV of each project at your cost of$$ capital?

c$.$ At what cost of capital are you indifferent between the two$$ projects?

d$.$ What should you$$ do$?$