Find the present values of these ordinary annuities. Discounting occurs once a year. Round your answers to the nearest cent. a. $700 per year for 12 years at 6%. $ b. $350 per year for 6 years at 3%. $ C. $600 per year for 16 years at 0%. $ Rework previous parts assuming that they are annuities due. Round your answers to the nearest cent. d. $700 per year for 12 years at 6%. $ e. $350 per year for 6 years at 3%. $ f. $600 per year for 16 years at 0%. $