Production and sales estimates for March for the Streamline Systems Co. are as follows: Estimated inventory (units), March 1 17,500 Desired inventory (unit), March 31 20,300 Expected sales volume (units) 35,000 Unit sales price $15 a.35,000 b.37,800 c.20,300 d.17,500

Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.