1. You find the following order book on a particular stock. The last trade on the stock was at $71.54.

Buy order (bid)

Shares	price
50	71.53
100	71.03
100	70.51
500	70.49

Sell order (ask)

Shares	Price
125	71.56
200	71.62
100	71.65
700	71.78
900	71.95

a. It you place a market buy order for 200 shares, at what price(s) will it be filled?

b. If you place a market sell order for 200 shares, at what price(s) will it be filled?

c. If you place a market buy order for 500 shares. At what price(s) will it be filled?