The distribution of lead-time demand fro an item is as follows:

The reorder level is $$1.25$$ times the expected value of the lead-time demand. The service level is

There are two products P and Q with the following characteristics

The economic order quantity (EOQ) of products P and Q will be in the ratio.

A company has an annual demand of $$1000$$ units, ordering cost of Rs.$$100$$/order and carrying cost of Rs.$$100$$/unit –year. If the stock-out costs are estimated to be nearly Rs.$$400$$ each time the company runs out-of-stock, the safety stock justified by the carrying cost will be

Market demand for springs is $$8,00,000$$ per annum. A company purchases these springs in lots and sells them. The cost of making a purchase order is Rs.$$1,200.$$ The cost of storage of springs is Rs.$$120$$ per stored piece per annum. The economic order quantity is