Supose the tolal output of a factory changes from 200 to300 units. when the variablle input. changes from 10 to 20 unitse. correspondingly, total variable cost changes from birr 2000to birr 3000, and the fixed cost equals birr 500. determin,
A. the marginal cost of the producing the extra unit
B. the average cost of prodaction at the initial level
C. the marigal prodact of the variable input (labor)...

When someone buys a fourth television for his or her house, what is the result? a. there's a decrease in the marginal utility of the television. b. the increase in demand brings leads to higher prices for televisions. c. the production of televisions becomes more efficient. d. there's a rise in the opportunity cost of buying other goods.

Long-distance providers are becoming increasingly concerned about certain activities within their industry. various companies come together voluntarily to implement new standards of social responsibility that members must abide by. what seems to be the primary motivation in this case for an increased interest in social responsibility? - because corporations are creations of society, they are responsible for giving back to the communities in which they operate.- these companies have realized it is in their best interest to increase their social responsibility before they are once again subject to stricter regulations.- these companies are using social responsibility as a means to increase their profitability, both short term and long term.- long-distance providers have started taking pride in their industry and its record for social responsibility.- they feel a responsibility to their stockholders, employees, the government, investors, and society as a whole.

Asmartphone manufacturing company uses social media to achieve different business objectives. match each social media activity of the company to the objective it the company achieve.