In Inventory Control, the Economic Order Quantity (EOQ) of an item is given as 500 units, ordering cost as ₦500 per order, and the demand for the item in six months is 2,500 units. What is the holding cost of a unit of the item per annum?

A. ₦10
B. ₦20
C. ₦30
D. ₦40
E. ₦50

Answer: B. ₦20

Explanation:
The formula for EOQ is:

Where:

  • D= Annual demand
  • S=Ordering cost
  • H=Holding cost per unit per annum 

Rearranging for H:

Given:

  • EOQ=500
  • S=500
  • D=2,500×2=5,000 (since the demand is for six months, we multiply by 2 to annualize)

Substitute the values: