Short 500 shares esrx@80.85
Cover 250 shares esrx@80.50
+87.50
Cover remaining 250 shares@80.23
+155.00
Total= $242.50

Here is how this trade worked out.
1. buy 1000 shares@29.60
2. sell 1000 shares@29.88
+280.00
3. Short 1000 shares@29.85
4. Cover1000 shares@29.75
+100.00
Total= $380.00