Mr. Alphonse the finance manager of Headache Inc, kept turning over in his bed. His assistant M has forgotten to fill in in 2 critical numbers on the summary report about inventory management at the three stores they have. Store A started the years with 10 units in its inventory. It sold 1 unit each day and immediately bought one unit to replace the units sold. Thus the store the year with 10 unit in its inventory.The store had FIFO system of managing the inventory. Store B also started the with 10 units in its inventory. It also sold one unit each day, but it did not replace the unit as soon as it was sold. Instead, it bought 10 units as soon as it sold the last unit in its inventory. It also under the with 10 units in inventory as well. Store C started the with 10 units in its inventory. It Sold 2 units each day but did not replace the unit as soon as they were sold. Instead, it bought 10 units as soon as it sold the last units in its inventory. It also ended the year with 10 units and its inventory. Mr. Alphonse knew that he would face questions about the average and maximum number of days a unit remained in a store invented. Could you help Mr. Alphonse sleep peacefully by filling in the missing number in the following table (Mr. Aziz needs detailed calculation with explanations)