    Sentence 1: In addition, its capacity, to se  information on the state of demand allows  it,to.set inventory levels on a SKU basis that  balances the benefits ‘of having,a product  available. against the costs of holding work:  in-process and finished goods inventories.    Sentence 2: Balancing the benefits; of  product availability,and.the cost of holding  in progress as well as finished goods can be  computed through 4 mathematical model.