Problem $1$Your firm is considering mutually exclusive projects with the following cash flows. The firm has a weighted average cost of capital of $9\%.$Year$0121345$Cash Flow Project A$-$$$1,500,000$Cash Flow Project B$$2,500,000-$$$1,500,000-$$$25,000-$$$35,000$$$2,000,000$$$1,000,000$$$1,000,000$$$1,500,000$$$2,000,000-$$$500,000$$$4,000,000$A$.$ Are the cash flows for Project A regular or irregular cash flows? Why?B$.$ Are the cash flows for Project B regular or irregular cash flows? Why?C$.$ The firm typically accepts projects that payback in four years or less. Which project$($s$),$ if any, should the firm accept?D$.$ Decide which project$($s$)$ the firm should accept using the best capital budgeting metric. Please provide the metric calculations as well as a rationale for your decision.