Please help answer the questions.a$.$ What is the IRR for Facebook associated with each bid?

b$.$ If the cost of capital for each investment is $12\%,$ what is the net present value $($NPV$)$ for Facebook of each bid? the same as with Cisco's original bid.

c$.$ Including its savings, what are Facebook's net cash flow under the lease contract? What is the IRR of the Cisco bid now?

d$.$ Is this new bid a better deal for Facebook than Cisco's original bid? Explain.