At t=0, a retirement account has $525,000. The account earns interest at a nominal rate of 8.473% compounded 2 times per year. The first payment will be X and it occurs at the end of each year. Each successive payment will be 1.2% higher than the previous payment. The retirement account will fund payments for 21 years. Determine the balance in the account after the 14th payment has been made..