please How to do it. for example which Functions used. Thank you

Use Excels filtering capability in the Purchase Orders database to extract:
b. all orders for quantities of less than 500 units.
Supplier	Order No.	Item No.	Item Description	Item Cost	Quantity	Cost per order	A/P Terms (Months)	Order Date	Arrival Date
Hulkey Fasteners	Aug11001	1122	Airframe fasteners	$ 4.25	19,500	$ 82,875.00	30	08/05/11	08/13/11
Alum Sheeting	Aug11002	1243	Airframe fasteners	$ 4.25	10,000	$ 42,500.00	30	08/08/11	08/14/11
Fast-Tie Aerospace	Aug11003	5462	Shielded Cable/ft.	$ 1.05	23,000	$ 24,150.00	30	08/10/11	08/15/11
Fast-Tie Aerospace	Aug11004	5462	Shielded Cable/ft.	$ 1.05	21,500	$ 22,575.00	30	08/15/11	08/22/11
Steelpin Inc.	Aug11005	5319	Shielded Cable/ft.	$ 1.10	17,500	$ 19,250.00	30	08/20/11	08/31/11
Fast-Tie Aerospace	Aug11006	5462	Shielded Cable/ft.	$ 1.05	22,500	$ 23,625.00	30	08/20/11	08/26/11
Steelpin Inc.	Aug11007	4312	Bolt-nut package	$ 3.75	4,250	$ 15,937.50	30	08/25/11	09/01/11
Durrable Products	Aug11008	7258	Pressure Gauge	$ 90.00	100	$ 9,000.00	45	08/25/11	08/28/11
Fast-Tie Aerospace	Aug11009	6321	O-Ring	$ 2.45	1,300	$ 3,185.00	30	08/25/11	09/04/11
Fast-Tie Aerospace	Aug11010	5462	Shielded Cable/ft.	$ 1.05	22,500	$ 23,625.00	30	08/25/11	09/02/11
Steelpin Inc.	Aug11011	5319	Shielded Cable/ft.	$ 1.10	18,100	$ 19,910.00	30	08/25/11	09/05/11
Hulkey Fasteners	Aug11012	3166	Electrical Connector	$ 1.25	5,600	$ 7,000.00	30	08/25/11	08/29/11
Hulkey Fasteners	Aug11013	9966	Hatch Decal	$ 0.75	500	$ 375.00	30	08/25/11	08/31/11
Steelpin Inc.	Aug11014	5234	Electrical Connector	$ 1.65	4,500	$ 7,425.00	30	08/28/11	09/05/11
Steelpin Inc.	Sep11001	4312	Bolt-nut package	$ 3.75	4,200	$ 15,750.00	30	09/01/11	09/10/11
Alum Sheeting	Sep11002	5417	Control Panel	$ 255.00	406	$ 103,530.00	30	09/01/11	09/10/11
Hulkey Fasteners	Sep11003	3166	Electrical Connector	$ 1.25	5,500	$ 6,875.00	30	09/01/11	09/06/11
Steelpin Inc.	Sep11004	5234	Electrical Connector	$ 1.65	4,850	$ 8,002.50	30	09/02/11	09/11/11
Steelpin Inc.	Sep11005	4312	Bolt-nut package	$ 3.75	4,150	$ 15,562.50	30	09/03/11	09/11/11
Hulkey Fasteners	Sep11006	1122	Airframe fasteners	$ 4.25	15,500	$ 65,875.00	30	09/04/11	09/12/11
Spacetime Technologies	Sep11007	4111	Bolt-nut package	$ 3.55	4,800	$ 17,040.00	25	09/05/11	09/20/11
Alum Sheeting	Sep11008	1243	Airframe fasteners	$ 4.25	9,000	$ 38,250.00	30	09/05/11	09/12/11
Durrable Products	Sep11009	7258	Pressure Gauge	$ 90.00	120	$ 10,800.00	45	09/05/11	09/09/11
Steelpin Inc.	Sep11010	5234	Electrical Connector	$ 1.65	4,750	$ 7,837.50	30	09/05/11	09/13/11
Hulkey Fasteners	Sep11011	1122	Airframe fasteners	$ 4.25	12,500	$ 53,125.00	30	09/05/11	09/11/11
Hulkey Fasteners	Sep11012	5066	Shielded Cable/ft.	$ 0.95	25,000	$ 23,750.00	30	09/05/11	09/12/11
Hulkey Fasteners	Sep11013	3166	Electrical Connector	$ 1.25	5,650	$ 7,062.50	30	09/05/11	09/10/11
Hulkey Fasteners	Sep11014	1122	Airframe fasteners	$ 4.25	15,000	$ 63,750.00	30	09/08/11	09/15/11
Spacetime Technologies	Sep11015	4111	Bolt-nut package	$ 3.55	4,585	$ 16,276.75	25	09/10/11	09/30/11
Hulkey Fasteners	Sep11016	3166	Electrical Connector	$ 1.25	5,425	$ 6,781.25	30	09/10/11	09/15/11
Fast-Tie Aerospace	Sep11017	6321	O-Ring	$ 2.45	1,200	$ 2,940.00	30	09/12/11	09/23/11
Steelpin Inc.	Sep11018	5319	Shielded Cable/ft.	$ 1.10	16,500	$ 18,150.00	30	09/15/11	10/05/11
Spacetime Technologies	Sep11019	4111	Bolt-nut package	$ 3.55	4,200	$ 14,910.00	25	09/15/11	10/15/11
Hulkey Fasteners	Sep11020	5066	Shielded Cable/ft.	$ 0.95	17,500	$ 16,625.00	30	09/15/11	09/22/11
Spacetime Technologies	Sep11021	9752	Gasket	$ 4.05	1,500	$ 6,075.00	25	09/20/11	09/25/11
Spacetime Technologies	Sep11022	4111	Bolt-nut package	$ 3.55	4,250	$ 15,087.50	25	09/20/11	10/10/11
Pylon Accessories	Sep11023	9764	Gasket	$ 3.75	1,980	$ 7,425.00	15	09/20/11	09/29/11
Pylon Accessories	Sep11024	9764	Gasket	$ 3.75	1,750	$ 6,562.50	15	09/20/11	09/25/11