1. If the current allocation of resources in a market for a certain good is efficient, then it must be the case that A. producer surplus equals consumer surplus in this market.
B. this market is in equilibrium.
C. on the last unit of the good that was bought and sold, the value to buyers exceeds the cost to sellers
D. All of the above are correct.

Eager, a tipped employee, reported to his employer that he had received $320 in tips during march. on the next payday, april 4, he was paid his regular salary of $250. the amount of oasdi taxes to withhold from eager’s pay is a. $19.84 b. $15.50 c. $35.34 d. $43.61 e. none of the above. 2 points

Which of the following is not a potential problem with beta and its estimation? sometimes, during a period when the company is undergoing a change such as toward more leverage or riskier assets, the calculated beta will be drastically different than the "true" or "expected future" beta. the beta of "the market," can change over time, sometimes drastically.

Which of the following best explains how the invention of money affected the barter system? a. the invention of money supplemented the barter system by providing a nonperishable medium of exchange b. the invention of money completely replaced the barter system with a free-market system c. the invention of money had no effect on the barter system d. the invention of money drastically reduced the value of goods used in the barter system 2b2t