1) I accepted my first job with a $92000 salary, and is already looking forward to retirement in 40 years. I need 70 percent of my current net income (in today's dollars) each year to live after retirement. My expected tax rate after retirement is 25 percent. What is my annual before tax need in today's dollars (keep zero decimal place)?

2) I accepted my first job with a $48000 salary, and is already looking forward to retirement in 40 years. I need 75 percent of my current net income (in today's dollars) each year to live after retirement. My expected tax rate after retirement is 20 percent. The inflation is expected to be 4% annually. What is my before-tax annual income I need for retirement in the retirement year's dollars (i.e., 40 years from now. Please keep zero decimal place)?

3) I am retiring this year. I plan to live for 20 years in retirement. For each year of retirement, I need an gross income of $61000 in today's dollars. The inflation rate is expected to be 3 percent in the next 20 years. My investment return over the next 20 years is expected to be 9 percent a year. How much money do I need now to support my 20 years' retirement life (keep zero decimal place)?