(The Center Square) – West Virginia will hold its back-to-school sales tax holiday from Friday through Monday on certain clothing, computers and school supplies. The sales tax waiver applies to sports equipment that costs $150 or less, clothing items that are $125 or less, laptop or tablet computers that cost $500 or less, school instruction material that costs $20 or less and school supplies that cost $50 or less. Separately sold belt buckles, clothing accessories, protective equipment and sewing equipment do not count as clothing for the tax-free holiday. The computer sales tax exemption doe…