The table below provides demand data for 11 days (days 10-20 for the current year) for one product for the next 4 questions. The previous order was for 300 units at the end of day 9. The lead time is a constant two days. At the beginning of day 10 the inventory level is 450 units. Orders are made at the end of a day. Suppose inventory is managed with a reorder point system where Q=300 and the reorder point is 250.

Day	Demand	Inventory
10	120
11	150
12	120
13	100
14	80
15	80
16	60
17	60
18	60
19	40
20	80

1) When is the next order? end of day ________

2) How large is the next order? ________

3) When is the subsequent order (after that above)? end of day _______

4) How large is that order? _________