The Bliss Construction Company purchases all materials and fixtures tax paid. In performing the following construction contract, they used the following materials and fixtures (cost to Bliss): Bricks, $10,000; lumber, $30,000; cement, $9,500; plumbing fixtures, $12,000; flooring, $5,000: electrical fixtures, $15,000; electrical conduit and wire, $3,000; air conditioning unit, $5,000; furnace, $5,000; sheet metal, $4,000; tile $5,000; burglar alarm, $3,000. The contract was a time a material contract. The Bliss Company billed the customer for all materials and fixtures at 20% percent more than cost. No sales tax was billed to the customer. What is the additional measure of tax?