102CP 3p2/2, where q is the demand in monthly sales and p is th The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula q = price in hundreds of yen. (a) Determine the price elasticity of demand E when the retail price is set at 200. E = Interpret your answer. The demand is going ? by % per 1% increase in price at that price level. Thus, a large price ? vis advised. (b) At what price will revenue be a maximum? (Round your answer to the nearest integer.) yen (c) Approximately how many paint-by-number sets will be sold per month at the price in part (b)? (Round your answer to the nearest integer.) paint-by-number sets per month