CHAPTER 5: PURCHASING AND RECEIVING
CONTROL
PURCHASING OBJECTIVES AND
PROCEDURES
      -         
PURCHASING: It is the process of getting the right
product into a facility of the right time and in a form that meets
pre-established standards for quality, quantity and price. 
PURCHASE SPECIFICATIONS
       -         
A food
service specification generally consist of:
1.      Product
name/specification number (bacon,sliced)
2.      Pricing
unit (kg,ml)
3.      Standard/grade
(moderately thick slice)
4.      Weight
range/size (14-16 slices per gram)
5.      Processing/packaging
(2/10kg. Cryovac packed)
6.      Container
size (<20kg)
7.      Intended
use (bacon, lettuce & tomato slices)
8.      Product
yield (60% yield)
MAXIMUM AND MINIMUM INVENTORY
SYSTEM
        -         
INVENTORY: A detailed
& complete list of goods in stock
        -         
The amount is depends on the usage & time required
for ordering & delivery.
ECONOMIC ORDER QUANTITY  (EOQ)
        -         
Minimizes the total holding costs & ordering
costs.
          FORMULA:      EOQ
= √2COD ÷ CH
          CO =  Ordering cost per unit
          D  = 
Demand
          CH =
Holding Cost
·        
Reorder when inventory reaches minimum stock level.
TERMINOLOGY: 
     ·        
Minimum stock – Amount of stock required to support
testing operations until additional supplies are received.
     ·        
Lead time – Time between placing an order and
receiving it.
     ·        
Maximum usage – Number of test devices used in a given
time period
DETERMINE HOW MUCH TO RE-ORDER
       -         
Never order more than your storage space can hold.
       -         
Never order more supplies than you can use before they
are expired.
       -         
Consider shipping costs when placing orders.
Reorder level = Maximum usage x Maximum lead time
CALCULATING MINIMUM STOCK LEVEL
Minimum stock level = Reorder level – (Average usage x Average lead time)
PURCHASE ORDER / PURCHASE RECORD
-         
PURCHASE
ORDER: A detailed written sales contract between buyer and seller.