The minimum charge argument is bogus. If I ordered a $20 meal by myself, 1 * ($0.30 + 3%) is acceptable, but if me and my friends order five $20 meals, 5 * ($0.

The minimum charge argument is bogus. If I ordered a $20 meal by myself, 1 * ($0.30 + 3%) is acceptable, but if me and my friends order five $20 meals, 5 * ($0.30 + 3%) is suddenly unacceptable.