contract one and contract two

Problem 1: Contract 1: You will receive $100,000 in 6 years and you will continue to receive money every 2 years until year 30 but the amount is growing at a constant rate of 3% each period. The interest rate is 8% APR quarterly compounded. What is the present value? Contract 2: A bank offers to pay $90,000 today and it will continue to pay every 3 years forever, but the amount is growing at a constant rate of 2% every three years (So, the first payment is at year 4, and the payment will continue every two years growing at a rate of 2% per two years and so forever) The interest rate is 12% semi-annually compounded. What is the present value? Which contract is better