A store’s supply/demand graph for MP3 players is shown above. If the price is at the equilibrium point, how much money will the store make by selling MP3 players? a. $1,275 b. $1,600 c. $3,150 d. $3,300.

Catherine de bourgh has one child, anne, who is 18 years old at the end of the year. anne lived at home for seven months during the year before leaving home to attend state university for the rest of the year. during the year, anne earned $6,000 while working part time. catherine provided 80 percent of anne's support and anne provided the rest. which of the following statements regarding whether anne is catherine's qualifying child for the current year is correct? a. anne is a qualifying child of catherine. b.anne is not a qualifying child of catherine because she fails the gross income test. c.anne is not a qualifying child of catherine because she fails the residence test. d.anne is not a qualifying child of catherine because she fails the support test.

Which of the following is an example of a monetary policy? a. the government requires credit card companies to protect customers' privacy. b. the government restricts the amount of money that banks can lend. c. the government lowers taxes and increases spending. d. the government pays for repairing damage from a natural disaster.

Melissa buys an iphone for $240 and gets consumer surplus of $160. a. what is her willingness to pay? b. if she had bought the iphone on sale for $180, what would her consumer surplus have been?