Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats is C(x) = 2,750 + 6x + 0.1x (0 x 500). Gymnast Clothing sells the cleats at $140 per pair. Find the revenue and profit functions. Revenue = Profit= How many pairs of cleats should Gymnast Clothing manufacture to make a profit? at least pairs