Bandar industries berhad of malaysia manufactures sporting equipment. one of the company’s products, a football helmet for the north american market, requires a special plastic. during the quarter ending june 30, the company manufactured 3,700 helmets, using 2,368 kilograms of plastic. the plastic cost the company $15,629. according to the standard cost card, each helmet should require 0.56 kilograms of plastic, at a cost of $7.00 per kilogram. required: 1. what is the standard quantity of kilograms of plastic (sq) that is allowed to make 3,700 helmets? 2. what is the standard materials cost allowed (sq × sp) to make 3,700 helmets? 3. what is the materials spending variance? 4. what is the materials price variance and the materials quantity variance?

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?