michael kors black Friday sale Teen merchants depend on the backtoschool season, the secondbiggest shopping period of the year behind the winter holidays, because during that time they can make up to 25 percent of their annual revenue. This year, the average family is expected to spend about $603.63 during the backtoschool season which runs from midJuly through midSeptember down slightly from $606.40 last year, according to the National Retail Federation. And spending in teen stores accounts for about 19 percent of the $85.8 billion in annual revenue generated from family's spending on clothes.."I always told people that I believed that I could do this," Chrebet said during a tearful retirement news conference. "My first day here, a 70yearold security guard didn't even let me in for practice. I felt at that moment, I could either laugh it off and go on my journey, or take it as a sign that it wasn't going to happen.