C OPI N G WITH COOL TO TEENS, CLOTHES CONVEY ACCEPTANCE, EVEN STATUS. MANUFACTURERS ARE AWARE OF IT, AND EACH WANTS TO BE "IN." lc BY ELLYCE FIELD 44 ou need to be a a millionaire or have the pa- tience of a saint. I have hernias in my armpits from all the shopping we've been doing!" Sharan Kushner, mother of two teenage daughters, 16-year-old Jenny and 18-year-old Jill, understands the pleasures and pitfalls of shopping with teenagers. "They look for clothes that are `cool' They have their own opin- ions and it's hard to influence them. They ask each other; both think the other has good taste. They do have a flair; I even ask them for their opinions about my clothes." Jenny Kushner explains how she shops. "I like to go with my friends to certain stores. I look through Seventeen magazine and it gives me ideas how I want to look." "The girls see certain stores as having status. Certain dis- Rev up your engines with acid-washed denim jeans, oversized workshirt with patch pockets, and yoked front denim jacket, from Cotler.