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Account for Material - EOQ

SSagar3y ago
Question A manufacturer uses 100,000 components costing $1 each at a constant rate throughout the year. The cost of making a single order for more components is $10 and the holding cost for each component are 0.5% of the average inventory value. What is the EOQ? A 1,411 B 2,000 C 14,142 D 20,000 acc to formula of EOQ = ?2 x Co x D / Ch I'm able to find the value of 2 x Co x D which is 20,00,000 But I'm not getting how to find Ch ? If I used total annual holding cost ? How to find average inventory value? Normally average inventory formula is = quantity / 2 So it should be 100,000 / 2 x 0.5% But in the answer they have written the value of Ch = 0.005 How?
John MoffatJohn MoffatAdmin3y ago#1
Ch is the cost of holding one unit of inventory for one year. In this example it is 0.5% x $1 which is $0.005. Have you watched my free lectures on this? The lectures are a complete free course for Paper MA and cover everything needed to be able to pass the exam well :-)
SSagar3y ago#2
But in the question they are asking average inventory value ?
John MoffatJohn MoffatAdmin3y ago#3
The question as you have typed it is asking for the EOQ and not the average inventory value. The EOQ using the formula is the square root of (2 x 100,000 x 10) / 0.005 = 20,000 units. Again, have you watched my free lectures on this?
SSagar3y ago#4
Yes I have watched lectures on this but here I think you misunderstood me. My doubt was they are asking the value of (Ch)which is 0.5% of average inventory value. So why you take 0.5% of $1? I know Ch is holding cost of one inventory but they are confusing by writing the average inventory value. I hope I explained you my doubt clearly.
John MoffatJohn MoffatAdmin3y ago#5
Whatever the wording, Ch for the formula is always the cost of holding one unit in inventory for one year as I make perfectly clear in my lectures. The total holding cost will be Ch multiplied by the average inventory (as again I illustrate in my lectures) but for the EOQ formula it is always as I have written in my first sentence and in my previous reply.
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