A grocery store has the following inventory transactions related to milk. 1. On April 1st they had 100 gallons of milk in inventory at a cost of $2.10 per gallon. 2. On April 2nd purchased an additional 50 gallons of milk at a cost of $2.15 per gallon. 3. On April 3rd they sold 60 gallons of milk. What is the value of their ending inventory under the first in first out