You find the following order book on a particular stock. The last trade on the stock was at $30.73. a. If you place a market buy order for 200 shares, at what price will it be filled? (Round your answer to 2 decimal places.) b. If you place a market sell order for 100 shares, at what price will it be filled? (Round your answer to 2 decimal places.) c. Suppose you place a market order to buy 500 shares. At what price will it be filled? Choose the appropriate answer. 500 shares at $30.73 500 shares at $30.80 200 shares at $30.75 and 300 shares at $30.76 200 shares at $30.80 and 300 shares at $30.79