ll"he popularity of bubble tires has increased greatly in recent years. One ofthe main reasons is increased people's environmental awareness, as bubble tires are a substitute for studded tires. The Bubble Tires company is doing market research to evaluate the demand. The result was: at = 760 20p The cost function of production is: C(x) = x2 + 12x + 2700 x are produced and sold units, 39 is the price in kroner, and C is the cost included in kroner. Find the price and quantity that maximize profit. a) What is the maximum profit? b) The government has decided to impose a tax of [SK 8 per unit. What will be the maximum profit