The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula q = 980P 3p-/2, where q is the demand in monthly sales and p is the retail price in yen. (a) Determine the price elasticity of demand E when the retail price is set at 2 yen. E = Interpret your answer. The demand is going ? by % per 1% increase in price at that price level. Thus, a large price ? is advised. (b) At what price will revenue be a maximum? (Round your answer to two decimal places.) 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 The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula q = 980P 3p-/2, where q is the demand in monthly sales and p is the retail price in yen. (a) Determine the price elasticity of demand E when the retail price is set at 2 yen. E = Interpret your answer. The demand is going ? by % per 1% increase in price at that price level. Thus, a large price ? is advised. (b) At what price will revenue be a maximum? (Round your answer to two decimal places.) 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