What setting do you make to ensure that the inventory number is NOT copied when you create a new asset by copying?

You are creating an asset master record by copying another asset and you noted that the inventory number is copied.

What setting do you make to ensure that the inventory number is NOT copied when you create a new asset by copying? Please choose the correct answer.
A . Remove the reference indicator in screen layout maintenance
B . Remove the main asset indicator in screen layout maintenance
C . Remove the asset class indicator in screen layout maintenance
D . Remove the subnumber indicator in screen layout maintenance

Answer: A