please don't use Excel

Stinnett Transmissions, Incorporated, has the following estimates for its new gear assembly project: Price =$2,700 per unit; variable costs =$540 per unit; fixed costs = $4.3 million; quantity =84,000 units. Suppose the company believes all of its estimates are accurate only to within \pm 15 percent. What values should the company use for the four variables given here when it performs its best-case scenario analysis? What about the worst-case scenario? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.)