The soft goods department of a large department store sells 157 units per month of a particular 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 cost of 27% of the cost of the item per year. What is the optimal order quantity? O 432 O 141 O 79 Cannot be determined without lead time data. 0 258