Covington Transmissions, Inc., has the following estimates for its new gear assembly project: price = $1,850 per unit; variable costs = $160 per unit; fixed costs = $7 million; quantity = 90,000 units. Suppose the company believes all of its estimates are accurate only to within ± 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?