The manager of a local monopoly estimates that the elasticity of demand for its product is constant and equal to -4. The firm’s marginal cost is constant at $40 per unit. a. Express the firm’s marginal revenue as a function of its price. Instruction: Round your response to 2 decimal places. MR

Match the terms with the appropriate definition. 1. work done for pay job 2. series of related jobs based on knowledge, training, tasks performed, interests, and experience career 3. buying or selling products and services using the internet mediation 4. wage amount after deductions are withheld net wage 5. a way a person chooses to live his or her life e-commerce 6. the people who are both able and willing to work technology 7. unequal treatment of others based on a bias concerning a person’s characteristics such as race, religion, gender, or age discrimination 8. the act of sharing information lifestyle 9. the use of a third party to make suggestions workforce 10. knowledge and tools used to perform tasks communication

During the holiday season, maria's department store works with a contracted employment agency to bring extra workers on board to handle overflow business, and extra duties such as wrapping presents. maria's is using during these rush times.

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.