Bob was telling everyone in the break room that he thought it was a big mistake to hire laurie because it was clear to him that she was not qualified for her position. even though laurie had the credentials and previous experience for the job, bob was angry that his girlfriend had not been hired instead. he called laurie "inept" and "under qualified" despite her fine performance on the job so far. this is an example of

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.