x = 250 x = 300 For each demand function (d (x)) and supply function (s(x)): C. Find the market demand (the positive value of (x) at which the demand function intersects the supply function). d. Find the consumers' surplus at the market demand found in part (a). e. Find the producers' surplus at the market demand found in part (a). d(x) = 600 - 0.8x d(x) = 400 - 0.4x2 7. 8. s (x) = 0.4x s (x) = 0.6x2