The important point is that it’s the net sum at the end that qualifies if you are a good person! If you help out 1000 people and have 12 kids, but also you contribute to a racially motivated genocide, you’re still a good person as long as the net $ sum at the end is positive. /s
Absolutely everything about the idea seems wrong. Both the idea that it’s all about accounting and the idea that you can ascribe a definite value to actions that should sum to some moral statement.