One possible plan is to maintain a constant work force throughout the $6$ month period, $10$ employees. Each employee can produce $5$ units in one day $(8$ hours$).$

Use the following Table as a reference to calculate the total cost for this plan $($maintain a constant work force throughout the $6$ month period$).($Level Strategy$)$

Month

January

February

March

April

May

June

Expected Demand

$900$

$700$

$800$

$1000$

$1500$

$1100$

Produce

Beginning Inventory

Ending Inventory

Total Inventory Holding Cost is $\_\_\_.$