The following graph represents the cost and revenue functions for custom-made computers. How many computers have been sold at the break-even point? A graph has sales on the x-axis and cost times 100 on the y-axis. The cost line goes through (0, 5) and (12, 9). The revenue line goes through (0, 0) and (12, 9). The lines intersect at (12, 9). a. 12 b. 9 c. 5 d. 0 Please select the best answer from the choices provided A B C D

Explain whether each of the following events increases or decreases the money supply. a. the fed buys bonds in open-market operations. b. the fed reduces the reserve requirement. c. the fed increases the interest rate it pays on reserves. d. citibank repays a loan it had previously taken from the fed. e. after a rash of pickpocketing, people decide to hold less currency. f. fearful of bank runs, bankers decide to hold more excess reserves. g. the fomc increases its target for the federal funds rate.