Using the tables inExhibits 26-3and26-4, determine the present value of the following cash flows, discounted at an annual rate of 15 percent.(Round "PV factors" to 3 decimal places. Do not round intermediate calculations and round your final answers to the nearest whole dollar amount.)

1. $7,800 to be received 20 years from today.
2. $14,000 to be received annually for 10 years.
3. $11,100 to be received annually for five years, with an additional $12,000 salvage value expected at the end of the fifth year.
4. $26,000 to be received annually for the first three years, followed by $20,000 received annually for the next two years (total of five years in which cash is received).