A company manufactures boxes of staples. Staple boxes contain ten cartridges to a box. The lead time to package a box is two weeks.
Using this MRP Grid, what are the net requirements for week 4?
			Week Number	1	2	3	4
Box			Gross Requirement	1500	1000	500	2000
Beginning Inventory	0		Scheduled Receipt	2000	500
LT	2		Projected On Hand	2000	1000	0
Order Policy	Fixed 500		Net Requirement	0	0	500
SS	0		Planned order Receipt			500
			Planned Order Release	500
			Week Number	1	2	3	4