Stock control and its Level

Management must formulate decisions regarding to the control of stock levels along with a view to minimizing the cost of the company whereas achieving more efficiency in the material's availability to fulfill planned usage necessities. Consideration must be given to the specified control levels as:

a) Re order quantity and Notice the re-order quantity is not essential the EOQ

b) Minimum stock level

c) Re-order level

d) Maximum stock level

a) Minimum stock level

It is the level below that stock must not fall. It is really a base or buffer stock level. If stock reduces below such point, so there is a danger of stock out.

"Minimum stock level = Reorder level - (Normal consumption x normal reorder period)"

b) Maximum stock level

It is the upper limit above which stock must not be permitted to rise. All material to be maintained in store must contain a maximum level and stock should not be permitted to go beyond such level

"Maximum stock level = Re-order level +re-order Quantity - (Minimum consumption x minimum re-order period)"

c) Re-order level

Is a point which lies among maximum and minimum stock levels at that purchase orders should be placed to ensure such goods ordered are obtained before the minimum stock level is achieved? This is the level of stocks at that replenishment should be made to ignore a stock-out.

"Re-order level = maximum consumption X maximum re-order period"

d) Re-Order quantity

It is the quantity of stock ordered one time the re-order point is achieved. The quantity is like to minimize stock costs getting into consideration the cost of holding stocks and creating a order. It is regarded also like the Economic Order Quantity or EOQ.  It is computed like follows as:

EOQ = √(2DCO/Ch)

Whereas:  D is the annual demand as or knits

               Co is the cost of making one sequence

               Ch is the holding cost per unit per annum