A budgeting system requires values that contain decimal fractions for expense calculations. Which data type is the best choice?
A monetary data type
A plain text data type
An integer data type
A float data type
A monetary type ensures that calculations involving decimal amounts do not suffer from rounding errors that can occur in other numeric types. A float does support decimals, but can often lack precision and lead to rounding issues. An alphanumeric type simply stores characters, an integer type lacks fractional capability, and a format intended for plain text does not enforce numeric rules.
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