Revel inc., a cell phone manufacturer, decides to launch its new range of smartphones on the company's official web site so that its logistics issues can be solved. with this modification, its customers can now buy the smartphones even if they are not sold in any of the stores in their locality. in this case, revel inc. focuses on the element of the marketing mix. a. distribution b. promotion c. price d. evaluation

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.