Your child will go to a private school starting in 4 years. The tuition for the school is $33210 per year, for 4 years

Your child will go to a private school starting in 4 years. The tuition for the school is $33210 per year, for 4 years starting in year 4. If the interest rate is 4% compounded annually, how much must you deposit today to just be able to fund the tuition?