Melon's Sport Shop collected the data below to make sure they are selling balls at profit-maximizing price and quantity. At what profit-maximizing price and quantity should this monopolistic competitor be selling balls? Melon's Sport Shop, Costs of Production Price Quantity Total Revenue Total Cost Marginal Revenue Marginal Cost $25.00 0 $25 $130 - - $24.00 10 $240 $275 $21.50 $14.50 $23.00 20 $460 $435 $22.00 $16.00 $22.50 30 $675 $620 $21.50 $17.50 $22.00 40 $880 $815 $20.50 $20.50 $21.60 50 $1,080 $1,045 $20.00 $23.00 $21.20 60 $1,272 $1,295 $19.20 $25.00