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. $400 per year for 14 years at 4%. b. $200 per year for 7 years at 2 % $ c. $1,000 per year for 7 years at 0 % . d. Rework previous parts assuming they are annuities due. Present value of $400 per year for 14 years at 4%: $ Present value of $200 per year for 7 years at 2 % : $ Present value of $1,000 per year for 7 years at 0%: $