Sloan Transmissions, Inc., has the following estimates for its new gear assembly project: Price = $1,440 per unit; variable costs = $460 per unit; fixed costs = $3.9 million; quantity = 85,000 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?