Apply commission tiers with IFS
Return the right rate from several tiers without nesting.
IFS
Checks several conditions in order and returns the first match.
IFS(logical_test1, value1, [logical_test2, value2], ...)
Logical Functions. Available from Excel 2019.
Need the formula for your own sheet? Use the IF Formula Generator
=IFS(B2>120000,0.06,B2>100000,0.05,B2>80000,0.04)
Returns 6%
Checks each tier in order and returns the first rate that matches.
Conditions are checked top down and the first match wins, so ascending thresholds cap everyone at the lowest tier. It also has no built-in else — an unmatched value returns #N/A.
Each of these is a wrong turn the practice exercises recognise and name. They are the misconceptions, not the answers.
Knowing what a function does and being able to write it from memory are different skills. These close the gap.