e support external third-party services, tax calculators ainterface y Adapters use interfaces and ITax Calculator Adapter polymorphism to add a level of indirection to varying APls in other get Taxes( Sale ) List of TaxLineltems components TaxMaster Adapter GoodAs Gold Tax Pro Adapter getTaxes( Sale): List of TaxLineltems getTaxes( Sale ): List of TaxLineltemssupport external third-party services, tax calculators