please help with these questions. thank you

An oil-drilling company must choose between two mutually exclusive extraction projects, and each requires an initial outlay at t=0 of $12.4 million. Under Plan A, all the oil would be extracted in 1 year, producing a cash flow at t=1 of $14.88 million. Under Plan B, cash flows would be $2.2034 million per year for 20 years. The firm's WACC is 11.4%. a. Construct NPV profiles for Plans A and B. Enter your answers in millions. For example, an answer of $10,550,000 should be entered as 10.55. If an amount is zero, enter " 0. Negative values, if any, should be indicated by a minus sign. Do not round intermediate calculations, Round your answers to two decimal places. Identify each projects IRR. Do not round intermediate calculations: Round your answers to two decimal places. Project A: Project B: Deternine the crossover rate: Approximate your answer to the nearatt whole number