Find the present values of these ordinary annuities. Discounting occurs once a year. Do not round intermediate calculations. Round your answers to the nearest cent. A. $900 per year for 12 years at 6% =
B. $450 per year for 6 years at 3% =
C. $600 per year for 6 years at 0% =

D. Rework pervious parts assuming they are annuities due.
Present value of $900 per year for 12 years at 6% = $
Present value of $450 per year for 6 years at 3% = $
Present value of $600 per year for 6 years at 0% = $