can anybody help me?

a. We are evaluating a project that costs $800,000, has a life of 8 years, and has no salvage value. Assume that depreciation is straight-line to zero over the life of the project. Sales are projected at 60,000 units per year. Price per unit is $40, variable cost per unit is $20, and fixed costs are $800,000 per year. The tax rate is 21 percent and we require a return of 11 percent on this project. Calculate the accounting break-even point. (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) b-1. Calculate the base-case cash flow and NPV. (Do not round intermediate calculations and round your NPV answer to 2 decimal places, e.g., 32.16.) b-2. What is the sensitivity of NPV to changes in the sales figure? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.) What is the sensitivity of OCF to changes in the variable cost figure? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) C. 45,000 units a. Break-even point b-1. Cash flow NPV b-2. ANPVIAQ C. AOCF/AVC