# Constant for the sales tax rate TAX_RATE = 0.05 # ServiceQuote class class ServiceQuote: def __init__(self, pcharge, lcharge): self.__parts_charges = pcharge self.__labor_charges = lcharge def set_parts_charges(self, pcharge): self.__parts_charges = pcharge def set_labor_charges(self, lcharge): self.__labor_charges = lcharge def get_parts_charges(self): return self.__parts_charges def get_labor_charges(self): return self.__labor_charges def get_sales_tax(self): return self.__parts_charges * TAX_RATE def get_total_charges(self): return self.__parts_charges + self.__labor_charges + \ (self.__parts_charges * TAX_RATE)