Suppose inventory is managed with a continuous review system where the reorder point R = 180 units and the order size Q is 270 units. There are no previous orders that have not yet been delivered. The lead time is a constant 3 weeks. At the beginning of week 10 the inventory level is 300 units. Orders are made at the end of a week. (7 pts.) (i) Fill in the empty column in the table above with the inventory level at the end of each week. (3 pts.) (ii) The next order is made at the end of week a) 11 . b) 12 . c) 13 . d) 14 . e) 15 . f) none of the above. (3 pts.) (iii) The size of the next order is a) 170 . b) 240 . c) 253.1 d) 270 . e) 300 . f) none of the above. (3 pts.) (iv) The next order (after the one in part ii), is made at the end of week a) 16 . b) 17 . c) 18