Expense Job level approval not working as expected

Summary

Expense Job level approval not working as expected

Content

BPM Approval Rule:
If Approval rule 0 to 50000 it should go to Job level 20.

Case1:
Employee A >> Supervisor has Job Level 20 >> approvals triggers correctly till job level based on approval limit up to job level 70

Case2:
Employee B >> Supervisor has Job Level 1, corresponding supervisor do not have job level 20, 30…   it should go to job level 40….
Approval is going to all people till level 70. 
If Employee B supervisor don't have 20,30 job levels, it should go to only 40 level, now its going to 40, 50, 60 and 70 levels.

Please find the screenshot of approval for 50000