That’s usually the way the tip calculator works and the top of the receipt is missing.
What’s more likely a computer screwed up a percentage, a company screwed the customer for the benefit of the employee or the calculator is following common tipping convention.
It’s probably basing the tip on a pre discount amount.
The writer is proud of doing math but should be ashamed of their critical thinking and ego.
Did you just make up a scenario and then try to shame them for not using the critical thinking you just invented?
That’s usually the way the tip calculator works and the top of the receipt is missing.
What’s more likely a computer screwed up a percentage, a company screwed the customer for the benefit of the employee or the calculator is following common tipping convention.
Like I said critical thinking.