please answer both the questions

The materials manager for a billiard ball maker must periodically place orders for resin, one of the raw materials used in producing billiard balls. She knows that manufacturing uses resin at a rate of 50 kilograms each day, and that it costs $.04 per day to hold a kilogram of resin in inventory. She also knows that the order costs for resin are $100 per order, and that the lead time for delivery is four (4) days. If order size was 1,000 kilograms of resin, what would be the length of an order cycle? Multiple Choice 50 days 20 days 50 days 20 days 0.05 days 4 days 16 days Given the following data for a particular inventory item: What is the economic order quantity for this item? Multiple Choice 800 units 100 units 600 units 174 units 500 units