Flash Crash The graph shows a rough representation of the (aggregate) mark...

Flash Crash The graph shows a rough representation of the (aggregate) market depth of the stocks comprising the S&P 500 on the day of the U.S. stock market crash at 2:45 pm on May 6, 2010 (the “Flash Crash”; t is the time of the day in hours, and m(t) is the market depth in millions of shares).

a. Compute the following (if a limit does not exist, say why):

b. What do the answers to part (a) tell you about the market depth?