Use the following un-normalized data and prepare a set of tabled that is in its third normal form.

Given below is the design of a Sales table for a wholesale company. Normalize it and label the primary key for each of your tables.

SO#	Date	Item#	Description	QTY	Unit price	Cust #	Cust Name
11	5/7	30	Washer	5	$350	22	Brown
		31	Dryer	8	$370
12	5/8	10	TV	4	$250	26	Henry
13	5/10	20	VCR	10	$180	24	Thomas
		21	CD	10	$190
14	5/12	10	TV	15	$250	22	Brown

Please show all steps of getting to the third normalization!