L1 Model Builder Exam - Question 5/6: Stuck!

I am trying to calculate the phone costs for a department in December 2020 and medical costs for a department in December 2020, as well as fiscal year totals for certain departments. Been on this for 1.5 weeks now.

 

The formulas I am using in REP04 are producing numbers, but they are incorrect. Here is REP04:

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It draws from SYS08:

 

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I keep getting the wrong number whether I use EMP02 or EMP03 in the formula. 

 

EMP02:

 

tspoon_3-1647808219743.png

 

tspoon_4-1647808219743.png

EMP03:

 

tspoon_5-1647808219743.png

 

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Can anyone help an amateur Anaplanner on where I am going wrong? I have a feeling there's something wrong with EMP02. Maybe that I'm not using region in the formula??? For example, here's the formula for phone costs in EMP02:IF Employed? THEN 'EMP03 Employee Drivers by Role'.Phone Allowance[LOOKUP: 'SYS08 Employee Details'.Department, LOOKUP: 'SYS08 Employee Details'.Role] ELSE 0