You an absolutely brilliant child who is six years old and will be attending a private college in twelve years. You know that a four-year college now costs at least $30,000 per year, including tuition, books, and room and board. The cost of sending a child to college has increased by 7 percent per year, and you believe this will be true for the next twelve years. How much more tuition will you have to pay per year when your child is eighteen