Optional_Optional_base | surcharge | deduction | discount | tax | informational
OptionalamountMonetary amount associated with this component
OptionalcodeCode identifying the specific component
OptionalextensionAdditional content defined by implementations
OptionalfactorFactor used for calculating this component
OptionalidUnique id for inter-element referencing
OptionalmodifierExtensions that cannot be ignored even if unrecognized
base | surcharge | deduction | discount | tax | informational
Factor used for calculating this component