We’re approaching Missouri’s tax-free weekend. The sales tax holiday starts at 12:01 a.m. on Friday, August 4th, and goes through Sunday, August 6th. During that time, a lot of back-to-school items will be exempt from the state sales tax. The holiday applies to items like clothing, school supplies, computers, and other items. The state says an article of clothing cannot exceed a taxable value of $100. School supplies are not to exceed $50 per purchase and graphing calculators are not to exceed $150. Computer software cannot exceed a taxable value of $350 and personal computers or computer peripheral devices cannot exceed $1,500.