answer as a text on computer please .

4-123 A series of monthly cash flows is deposited into an account that earns 12% nominal interest com- pounded monthly. Each monthly deposit is equal to $2100. The first monthly deposit occurred on June 1, 2012 and the last monthly deposit will be on January 1, 2019. The account (the series of monthly deposits, 12% nominal interest, and monthly compounding) also has equivalent quarterly withdrawals from it. The first quarterly withdrawal is equal to $5000 and occurred on October 1, 2012. The last $5000 with- drawal will occur on January 1, 2019. How much remains in the account after the last withdrawal