Average total cost:

a. decreases when output levels are low, then increases as output increases

b. increases when output levels are low, then decreases as output decreases

c. is minimized when it equals average variable costs

d. is maximized when it equals marginal cost

Acustomer has come to your department with an urgent question. you promised her that you would collect information about her question and answer it by noon. it will take you at least 20 minutes to gather the information needed to provide an answer. it is now 11: 50 a.m. your supervisor just scheduled a 30-minute meeting to start at noon. this meeting is for all employees in your department. you decide to:

Which analyst position analyzes information using mathematical models to business managers make decisions? -budget analyst -management analyst -credit analyst -operations research analyst

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?