You are a professor of economics at a university. You've been offered the position of serving as department head, which comes with an annual salary that is $8 comma 500 higher than your current salary. However, the position will require you to work 200 additional hours per year. Suppose the next best use of your time is spending it with your family, which has value of $40 per hour. What is the difference in the net benefit from becoming the department head? The change in net benefit is $ nothing. (Enter your response as an integer.) To optimize, you ▼ should not should become a department head.

Investment x offers to pay you $5,700 per year for 9 years, whereas investment y offers to pay you $8,300 per year for 5 years. if the discount rate is 6 percent, what is the present value of these cash flows? (do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) present value investment x $ investment y $ if the discount rate is 16 percent, what is the present value of these cash flows? (do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) present value investment x $ investment y

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."

Which term describes an alternative to car buying where monthly payments are paid for a specific period of time, after which the vehicle is returned to the dealership or bought? a. car financing b. car maintenance c. car leasing d. car ownership