Please answer using TVM tables.

To save for a new computer system that will be purchased two years from the present, the financial manager of Argosy Services wants to put aside monthly amounts into a bank account that pays a nominal annual rate of interest of 12%, compounded monthly. The deposits will be made at the beginning of each month, and the new computer system will cost $20,000 when it is purchased two years from the present. What should be the amount of the monthly deposits