Please help on question 5 and check if question 7- 10 are correct. Thank you.

	5. From the Open Inventory table, try to get the TOTAL # of open parts for each of the ROWs below:	Use Sumproduct
Table 6		Total
	G3572
	D5904
	D1476
	D0557
	C9208
	C1319
	W0933
	W6415
	W1117
	W1051

Open Inventory
		On Hand	Rail Yard	On Boat	In Quality	Mfg Qty
	G3572	2	12	18	28	38
	D5904	9	19	29	39	49
	D1476	18	28	38	48	58
	D0557	41	51	61	71	81
	C9208	82	92	102	112	122
	C1319	169	179	189	199	209
	W0933	338	348	358	368	378
	W6415	169	179	189	199	209
	W1051	338	348	358	368	378
	W1117	169	179	189	199	209