Gurmeet and Sunny recently reviewed their future retirement income and expenses projections. They hope to retire in 25 years. They have determined that they will have a retirement income of $67 000 in today’s dollars, but they will actually need $86 000 in retirement income in today’s dollars. Calculate the total additional amount that Gurmeet and Sunny must save if they want to meet their income projection. Assume a 3 percent inflation rate and an 8 percent rate of return, compounded monthly.