3) Consider the following limit-order book of a specialist.

Limit Buy Orders			Limit Sell Orders
Price($)	Shares		Price ($)	Shares
49.75	500		50.25	100
49.50	800		51.50	100
49.25	500		54.75	300
49.00	200		58.25	100
48.50	600

3. If a market buy order for 100 shares comes in, at what price(s) will it be filled

4. If a market buy order for 300 shares comes in, at what price(s) will it be filled?