Your opportunity cost of cutting hair at your barbershop is $20 per hour. electricity costs $6 per hour, and your weekly rent is $250. you normally stay open nine hours per day. what is the marginal cost of staying open for one more hour?
a) $276
b) $26
c) $250
d) $37

Which of the following best explains why a large company can undersell small retailers? a. large companies can offer workers lower wages because they provide more jobs. b. large companies can pay their employees less because they do unskilled jobs. c. large companies can negotiate better prices with wholesalers. d. large companies have fewer expenses associated with overhead.

You are the new chief information officer for the video-game developer, necturus games. the company has recently undergone a major expansion of its primary product, and you must staff up the is department and determine the best way to develop new game "capsules" for the game, "escape velocity."

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."