$6)$ Twitter is considering purchasing a new AI computer to manage its platform. This computer would cost $$74,250$ and generate cash flows according to the following table over the next $5$ years. Its has an IRR of $12\%$ and Twitter has a WACC of $8\%.$

Period Cash Flows

$0$ $$-74,250$

$1$ $$15,000$

$2$ $$17,000$

$3$ $$21,000$

$4$ $$25,000$

$5$ $$29,000$

a$)$ If you use the reinvestment assumption from the NPV method, what would be the total value of these inflows at the end of the $5$ year period?

b$)$ If the reinvestment assumption from the IRR method is used, what would be the total value of these inflows at the end of the $5$ year period?

c$)$ Which assumption is more plausible?