What is the present value of the following? Use Appendix B as an approximate answer, but calculate your final answer using the formula and financial calculator methods.

$$7,800$ in $6$ years at $10$ percent?

Note: Do not round intermediate calculations. Round your final answer to $2$ decimal places.

$$16,500$ in $3$ years at $7$ percent?

Note: Do not round intermediate calculations. Round your final answer to $2$ decimal places.

$$25,700$ in $9$ years at $8$ percent?

Note: Do not round intermediate calculations. Round your final answer to $2$ decimal places.