Why is the answer to the question "How much does each of the 328,433,340 people living in the U.S. have to pay to elimination 32.475 trillion dollars of debt?" Rounded to two decimal places?

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The debt and world population are different by two million so the answer should have two decimals

Two decimal places is even.

The smallest unit of money is a penny and a penny is $0.01

When a number is very large it is common practice to round to two decimal places.