What is the present value of the following? UseAppendix Bas an approximate answer, but calculate your final answer using the formula and financial calculator methods.

a.$7,800 in 6 years at 10 percent?(Do not round intermediate calculations. Round your final answer to 2 decimal places.)

b.$16,500 in 3 years at 7 percent?(Do not round intermediate calculations. Round your final answer to 2 decimal places.)

c.$25,700 in 9 years at 8 percent?(Do not round intermediate calculations. Round your final answer to 2 decimal places.)