Maximizing Profits The weekly demand for the Pulsar 40-in high-definition television is given by the demand equation p-0.07x+631 (0sxs 12,000) where p denotes the wholesale unit price in dollars and x denotes the quantity demanded. The weekly total cost function associated with manufacturing these sets is given by Ctx)-0.000003-0.01 400x + 80,000 where C) denotes the total cost incurred in producing x sets. Find the level of production that will yield a maximum profit for the manufacturer Hint: Use the quadratic formula. (Round your answer to the nearest whole number.) units