2. A glass manufacturer determines that in order to sell x units of a new wine glass, the price per glass in dollars must be p(x) = 500-2x. The manufacturer also determines that the total cost of producing x units is given by C(x) = 2500 +4x i. Find the total revenue function TR(x) where TR(x) = xp(x) 2 marks ii. Find the profit function II(x) where II(x) =TR(x) -C(x) 2 marks