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 $300 per year for 14 years at 6% $ b. $150 per year for 7 years at 3% 5 C. $1,000 per year for 7 years at 0% $ d. Rework previous parts assuming they are annuities due Present value of $300 per year for 14 years at 6$ Present value of $150 per year for 7 years at 3%:$ Present value of $1,000 per year for 7 years at 09:S