Consider the queued orders in the following call auction. Price Buy Quantity 0 0 $8.01. $8.09 $8.11 $8.20 $8.22 $8.27 $8.34 $8.45 Sell Quantity 2900 2300 1800 2600 0 0 1500 0 1900 1700 800 2000 1900 The call price is determined by first maximising executable volume and then minimising trading surplus. If no more orders are entered, the trading surplus at the call would be: a. 4,900 shares O b. 2,100 shares C. 2,900 shares O d. Other e. O shares