please provide steps or formulas

PPesent Value Computations Assuming that money is worth 10%, compute the present value of Round answers to the nearest whole number. 1. $14,000 received 15 years from today. 2. The right to inherit $2,750,000 14 years from now. 3. The right to receive $8,000 at the end of each of the next six years. 4. The obligation to pay $10,000 at the end of each of the next 10 years. 5. The right to receive $12,000 at the end of the 7th, 8th, 9th, and 10th years from today