Q3- Determine the present and future worth of a geometric gradient series with a cash flow of $40,000 in year 1 and increases 5% each year through year 10. The interest rate is 10% per year. Q4- Determine the annual worth of a geometric gradient series with a cash flow of $10,000 in year 1 and increases 10% each year through year 8. The interest rate is 10% per year.