2/12/2014 · TERMS OF THE SALE ARE, CASH, BANKABLE CHECK, WIRE TRANSFER, MASTER CARD, VISA, AND DISCOVER, 4% CONVENIENCE FEE FOR CREDIT AND DEBIT CARD TRANSACTIONS. ALL WISCONSIN SALES TAX LAWS APPLIES. IF YOU ARE EXEMPT FROM WISCONSIN SALES TAX YOU ARE RESPONSIBLE FOR PROVIDING SPENCER SALES LLC WITH YOUR PROPER TAX EXEMPTION CERTIFICATE