6. At what price would the next market sell order for 100 shares be filled?

Consider the following limit order book for the stock of Delta Airlines. This order book will be used from question #3 to #7. The last trade in the stock occurred at a price of $50. Limit Buy Orders Price Shares $49.75 500 49.50 800 49.25 500 49.00 200 48.50 600 Limit Sell Orders Price Shares $50.25 100 51.50 100 54.75 300 58.25 100