Module 19: Working Capital Management Flashcards
What are the 4 components of working capital?
Stock
Debtors
Cash
Creditors
What is the working capital of a business?
Current assets - current liabilities
What are the two elements to stock out costs?
Costs of obtaining a rush order from supplier- premium prices and special delivery
Loss of a sale or future sales- damage to goodwill
How to calculate stock turnover (times)?
Cost of sales/closing stock
How to calculate stock turnover days?
Closing stock/cost of sales x 365
OR
average stock/annual usage x 365
What is the economic order quantity model? EOQ
Decide optimum order size for stocks
Minimise costs of ordering and stockholding
What are the 3 parts the scientific control of stocks may be analysed into?
EOQ
Buffer (safety stocks)
Discounts for bulk purchases
What is the EOQ formula?
Q = square route of 2CoD/Ch D= 1 year usage Co = cost of 1 order Ch = holding cost per unit for 1 period Q = re-order quantity
How to calculate order cots?
No. of orders x cost per order
How to calculate stock holding costs?
Average stock level (divide by 2)(units) x holding cost per unit
Total stock related costs in a year?
Order cost + stock holding costs + purchase costs (ignore if not in q)
How to calculate lead time demand (re-order level)?
Lead time (days) x units used per day
What is the re-order level?
Stock level that prompts the company to order more stock
WHEN company should order
How to calculate safety stock?
Average stock level = safety stock + (EOQ/2)
OR
(Max stock + safety stock)/2
Average stock holding cost?
Average stock x holding cost per unit
Stock-outs can only be avoided if the company re-orders at?
Maximum lead time demand (re-order level)
Maximum re-order level?
Maximum usage x maximum lead
Average stock used during lead time?
Average usage x average lead time
Safety stock?
Reorder level - (average usage x average lead time)
Average stock level?
Safety stock level + order quantity/2
Max stock level?
Re-order level - (min usage x max lead time) + re-order quantity
To decide whether it is worthwhile taking a discount and ordering large quantities?
Total purchasing + ordering + stockholding costs
Total cost will be minimised at?
Pre-discount EOQ level, so that a discount not worthwhile
Min order size necessary to earn discount
Limitations of the EOQ?
Assumes materials used at a constant rate
Limited use in dealing with materials whose use cannot be predicted
Limited use in dealing with materials whose prices fluctuate radically
Depends upon historical data