I have been stuck on this activity for the past 2 days and do not know what I am doing wrong:

This is the formula I tried for Bonus:
For bonus: IF Employed? THEN Salary * 'EMP03 Employee Drivers by Role’.Bonus % [LOOKUP: 'EMP03 Employee Drivers by Role’.Department, LOOKUP: 'EMP03 Employee Drivers by Role’.Role] ELSE 0
And this is the formula I tried for the rest of them swapping out the respective line items:
IF Employed? THEN 'EMP03 Employee Drivers by Role’.Car Allowance [LOOKUP: 'EMP03 Employee Drivers by Role’.Department, LOOKUP: 'EMP03 Employee Drivers by Role’.Role] ELSE 0
Does anyone know where I am going wrong ? It is saying it is invalid.

Here is EMP03 where I am supposed to be referencing - as you can see, there are the departments and the roles at the top:
