return the highest price of this purchase . concode_field_sep MoneyAmount highestPrice concode_elem_sep boolean isTerminated concode_elem_sep int nbItems concode_field_sep boolean isValidHighestPrice concode_elem_sep boolean isTerminated concode_elem_sep int getNbItems concode_elem_sep void setHighestPrice concode_elem_sep void terminate concode_elem_sep boolean canHaveAsNbItems concode_elem_sep void setNbItems
MoneyAmount function ( ) { return this . highestPrice ; }