bob's company sells one product with a variable cost of $5 per unit. the company is unsure what price to charge in order to maximize profits. the price charged will also affect the demand. if fixed costs are $100,000 and the following chart represents the demand at various prices, what price should be charged in order to maximize profits? units sold price 30,000 $10 40,000 $9 50,000 $8 60,000 $7