Which of the following statements is best a part number iden

Which of the following statements is best?

a part number identifies one part only

a part has one and only one part number

the same part on different bills of material will have the same part number

all of the above are true

	A.	a part number identifies one part only
	B.	a part has one and only one part number
	C.	the same part on different bills of material will have the same part number
	D.	all of the above are true

option D is correct