Default state for a form field

Can anyone assist me with this tricky problem?

Let's assume that there are 2 levels to a setting. Level A, and level B.

  • Both levels have the same form field.
  • The user first enters the field at Level A
  • Then another user fills in the field at level B.
  • What is needed is for a way for the second user (@ level B) to know what value was entered in level A. This is for his/her reference.
  • The reason is for the User B to know that he he/she doesn't fill in the field at level B, the value at level A will be the final value.

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This is the suggestion provided for now. What I want to know if there is a general pattern that is followed for this problem. Thanks in advance for your advice.