Who popularized the expression "Time is money."

In understanding the differences of the impact of globalization on inflation in various nations it is important to consider

A) the degree of development in a nation. B) the structure of income taxes in the country. C) the degree of central bank independence. D) all of the above.

Average total cost (ATC) is calculated as follows:

a. ATC = (change in total cost)/(change in quantity of output). b. ATC = (change in total cost)/(change in quantity of input). c. ATC = (total cost)/(quantity of output). d. ATC = (total cost)/(quantity of input).