public static decimal GetPriceWithTax( 
   decimal price,
   int taxCodeId,
   TaxAddress billingAddress,
   TaxAddress shippingAddress
)

Parameters

price

The price calculated for the product before tax rules are taken into account

taxCodeId

The tax code associated with the price

billingAddress

Billing address for the item, can be null for current user billing address

shippingAddress

Shipping address for the item, can be null to use current user billing address as shipping address

Return Value

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

TaxHelper Class
TaxHelper Members