How To Update Field Of Table A By Entering Data On Table B

I made it by using "query", but now I forget it how I make the relation on this situation. The Sample file is attached.Here is my problem.

I have 3 Table on mdb file, named Table: A, B, Status
Table Status have One Filed with 1 Data: Dishonor

Table A have three fields

Sl Number: (Auto Number)
Status: Lookup wizard-data of (Table-Status)-Default Value is "Honor"
Amount:Number

Table B have two Fileds
Sl Number: Number
Status: Lookup wizard-data of (Table-Status)

After Entering Some data on Table A it's Look like as:

Asl number
status
amount

1
Honor
5222

2
Honor
855

3
Honor
988

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