Manfred Manufacturing is involved in the production of machine parts. The company uses 500 000 kg of steel annually. The current purchasing cost for steel is $2.20 per kg. The carrying cost for inventoryis 20% of the purchase price. The cost of ordering steel is $1 100 per order. The company has decided to maintain a safety stock of 20 000 kg. The delivery time per order is 10 days. The company works 365 days a year. d) What is the optimal inventory order size? e) How many orders will be placed annually? f) What is the average inventory? g) What is the inventory order point? h) What is the carrying ordering and total cost of this order size? 1) Should the company accept an offer of buying 55 000 kg of steel in one order if the ordering cost per order was reduced by 20%