The soft goods department of a large department store sells 175 units per month of a certain large bath towel. The unit

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The soft goods department of a large department store sells 175
units per month of a certain large bath towel. The unit cost of a
towel to the store is $2.50 and the cost of placing an order has
been estimated to be $12.00. The store uses an inventory carrying
charge of I = 27% per year. Determine if through automation of
the purchasing process, the ordering cost can be cut to $4.00, what
will be:
(a) the new economic order
quantity
(b) the order frequency
(c) annual holding and setup
costs?