Frank is building a home for debby that is to be completed by december 31st. frank tells debby that he needs to hire additional workers in order to have the home done by that time and that she needs to pay him an extra $10,000. debby says that she will pay. frank finishes the home and asks for his $10,000. debby refuses to pay. what is the likely result if frank sues? discuss whether you believe the result is ethical

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

Which of the statements best describes why the aggregate demand curve is downward sloping? an increase in the aggregate price level causes consumer and investment spending to fall, because consumer purchasing power decreases and money demand increases. as the aggregate price level increases, consumer expectations about the future change. as the aggregate price level decreases, the stock of existing physical capital increases. as a good's price increases, holding all else constant, the good's quantity demanded decreases.

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i. e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?