The Pear company sells pPhones. The cost to manufacture pPhones is = C(x) 19x +69000x + 21766 dollars (this includes overhead costs and production costs for each pPhone). If the company sells x pPhones for the maximum price they can fetch, the revenue function will be R(x) = 27x + 245000x dollars. How many pPhones should the Pear company produce and sell to maximimze profit? (Remember that profit=revenue-cost.) X=