Consider the following limit order at 10:00 am book for a company trading

orders to buy:

price	quantity
$ 5.6	300
$5.4	500
$5	850
$4.9	700

orders to sell

price	quantity
$6	600
$6.7	590
$6.9	700
$7.3	800

For each of the following situations, the average cost of each of the transaction:

1. At 10:03 am a limit order sell arrives for 1000 shares at $5.10

2. At 10:05 am a market order buy arrives for 1200 share