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

A$.$ $$8,200$ in $13$ years at $8\%?$

B$.$ $$18,500$ in $7$ years at $11\%?$

C$.$ $$28,000$ in $16$ years at $9\%?$