Answer:
Total annual cost of inventory is 4875.
Step-by-step explanation:
The demand for bauxite by Torque manufacturing (A) = 600000 tons. 
It is given that the demand is stable. 
The average ordering cost of bauxite (O) = $15 per order. 
The cost of holding to bauxite (CP) = $1.25 per ton. 
The economics order quantity (EOQ) = 3000 
The total annual cost of inventory = ordering cost + inventory cost

