What is the present value of

$ $3$ comma $000$$$3,000$

received

a$.$

$1212$

years from today when the interest rate is

$4\%4\%$

per$$ year?

b$.$

$2424$

years from today when the interest rate is

$8\%8\%$

per$$ year?

c$.$

sixsix

years from today when the interest rate is

$2\%2\%$

per$$ year?