Evan's Electronics Boutique sells a digital camera. The following information was reported for the digital camera last month: Sales$17,600 Variable expenses 9,680 Contribution margin 7,920 Fixed expenses 3,600 Net operating income$4,320 Evan's margin of safety in dollars and percentage are closest to:

The former chairman of the federal reserve, alan greenspan, used the term "irrational exuberance" in 1996 to describe the high levels of optimism among stock market investors at the time. stock market indexes such as the s& p composite price index were at an all-time high. some commentators believed that the fed should intervene to slow the expansion of the economy. why would central banks want to clamp down when the economy is growing? a. to block the formation of unsustainable speculative asset bubbles. b. to curtail excessive profits in the banking system. c. to prevent inflationary forces from gathering momentum. d. all of the above. e. a and c only.