Using the inventory records completed, calculate the average inventory level of AB501, AB511, AB521. Assume that the remaining inventory after the gross requirements are satisfied, is used in another production cycle.

Product: AB501			Lead Usage Factor: 2
Lot Size Rule: L4L			Beginning Invertory: 2,800
Time(weeks): 2
Week	1			2	3	4	5		6	7	8	9	10
Gross Requirements	560			1,120	560	1,120	560		1,120	560	1,120	0	0
Scheduled Receipts	0			0	0	560	560		1,120	560	1,120	0	0
Projected Available 2,800	2,240			1,120	560	0	0		0	0	0	0	0
Planned Orders	0			560	560	1,120	560		1,120	0	0	0	0

Product: AB511		Lead Usage Factor: 1
Lot Size Rule: FOQ=840		Beginning Invertory: 1,820

Time(weeks): 3
Week	1	2	3	4	5	6	7	8	9	10
Gross Requirements	280	560	280	560	280	560	280	560	0	0
Scheduled Receipts	0	0	0	0	840	0	840	0	0	0
Projected Available 1,820	1,540	980	700	140	700	140	700	140	0	0
Planned Orders	0	0	840	0	840	0	0	0	0	0

Product: AB521		Lead Usage Factor: 2
Lot Size Rule: POQ=2		Beginning Invertory: 1,820

Time(weeks): 2
Week	1	2	3	4	5	6	7	8	9	10
Gross Requirements	560	1,120	560	1,120	560	1,120	560	1,120	0	0
Scheduled Receipts	0	0	1,540	0	1,680	0	1,680	0	0	0
Projected Available 1,820	1,260	140	1,120	0	1,120	0	1,120	0	0	0
Planned Orders	1,540	0	1,680	0	1,680	0	0	0	0	0

Average inventory for AB501= ??????

Average inventory for AB511= ?????

Average inventory for AB521= ?????

Please show work. Thank you.