1. The annual requirement of a part is 360,000 units. The order cost is $120 per order, the holding rate is 12 percent and the part cost is $2,500 per unit. What are the (a) EOQ, (b) annual holding cost, (c) annual order cost, and (d) annual total inventory cost?
2. The weekly requirement of a part is 950 units. The order cost is $85 per order, the holding cost is $5 per unit per year and the part cost is $250 per unit. The firm operates fifty-two weeks per year. Compute the (a) EOQ, (b) annual holding cost, (c) annual order cost, and (d) annual total inventory cost.
3. The monthly demand for a part is 1,500 units. The order cost is $285 per order, the holding cost is $56 per unit per year and the part cost is $850 per unit. The firm operates twelve months per year. Compute the (a) EOQ, (b) annual holding cost, (c) annual order cost, and (d) annual total inventory cost.
4. Icy Snowmobile, Inc., has an annual demand for 1,200 snowmobiles. Their purchase cost for each snowmobile is $2,500. It costs about $250 to place an order, and the holding rate is 35 percent of the unit cost. Compute the (a) EOQ, (b) annual holding cost, (c) annual order cost, and (d) total annual inventory cost.
5. Steamy Speedboats has an annual demand for 1,500 speedboats. Its supplier offers quantity discounts to promote larger order quantities. The cost to place an order is $300, and the holding rate is 32 percent of the purchase cost. The purchase cost for each speedboat is based on the price schedule given below. Compute the (a) optimal order quantity, (b) annual purchase cost, (c) annual holding cost, (d) annual order cost, and (e) total annual inventory cost.