In 30 years Kamathipura needs $29,000 each month for 15 years, with the first payment received 30 years and 1 month from now. Kamathipura also wants to purchase a diamond ring costing $352,000 after 10 years. Kamathipura also wants to leave $900,000 to charity after 15 years of withdrawals, Kamathipura can save $2,200 per month while working for the next 10 years.

Kamathipura gets an effective annual rate of 10 percent while he works and an effective annual rate of 7 percent after Kamathipura stops working. How much will he have to save each month in Years 11 through 30?