wis 7777.54(4) (4) The sales price from the sale of tangible personal property and items and property under s. 77.52 (1) (b) and and the storage, use or other consumption in this state of tangible77.51(1f)(d) (d) A transaction that includes taxable and nontaxable products, if the seller’s purchase price or the sales price of the taxable products is no greater than 10 percent