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Paper is used at a constant rate in an office, at the rate of 10 reams a week. T

ID: 452256 • Letter: P

Question

Paper is used at a constant rate in an office, at the rate of 10 reams a week. The price of a ream of paper is $8. Order cost is $5 per order, and holding cost is $0.50 per ream per year.

If we order 40 reams at a time, what is the holding cost, order cost, and total cost in a year? (do not include the purchase price). How often do we order?

What is the economic order quantity? Using the economic order quantity, what is the holding cost, order cost, and total cost in a year? How often do we order?

Explanation / Answer

Given Information:

Usage rate = 10 reams/week

Therefore Annual Demand (D) = 10*52 = 520 reams / yr

Ordering cost (S) = $5 /order

Holding cost (H) = $ 0.50 per ream per year

a. If the order Quantity is 40 reams (given)

Then Ordering cost will be = D/Q X S = 520/40 X 5 = $65

Holding Cost = Q/2 X H = 40/2 X 0.5 = 10

Total cost = OC + HC = 65 + 10 = $ 75

b How often do we order?

Length = Q/D = 40/ 520 of a year = 40/520 x 52 = 4 weeks

c. Find out EOQ

EOQ = 2DS/H = (2 X 520 x5 )/ 0.5 = 102 reams

Now ordering cost (OC) = D/Q x S = 520/102 x 5 = $ 2.55

Holding Cost (HC) = Q/2 x H = 102/2 X 0.5 = $ 25.5

Total cost = 2.55+ 25.5 = $28.05