Define total cost, average total cost, and marginal cost. How are they related?

定义总成本，平均总成本，边际成本。它们之间关系是什么？

youdao

It is drawn to intersect both average total cost and average variable cost at their lowest points.

这条曲线都是在平均总成本和平均可变成本的最低点分别与它们相交。

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If the price is between average total cost and average variable cost at the profit-maximizing output, then the firm is said to be in a loss-minimizing condition.

一个公司被认为是一个正常的利润时，其经济利润为零。便会出现这种情况的平均总成本等于价格在利润最大化输出。

youdao

Although popularly sold as a means of reducing overall health-care costs, the creators of the ACA knew that the inclusion of such provisions as the mandatory coverage of pre-existing conditions and the setting of premiums based on average costs rather than actuarial costs would necessarily increase the total cost of such coverage.

FORBES: With or without mandate, Affordable Care Act fails

The average monthly cost for a 256Kbps connection was more than the total hardware and software costs.

UNESCO: Communication and Information

The total cost would then be adjusted based on how sick the patient is and then compared to a national average.

FORBES: Medicare's New Plan To Punish Hospitals For Treating Expensive Patients Will Backfire