ind the present values of these ordinary annuities. Discounting occurs once a year. Do not round intermediate calculations. Round your answ earest cent. a. $600 per year for 14 years at 14%. b. $300 per year for 7 years at 7%. c. $600 per year for 7 years at 0%. d. Rework previous parts assuming they are annuities due. Present value of $600 per year for 14 years at 14%:$ Present value of $300 per year for 7 years at 7%:$ Present value of $600 per year for 7 years at 0%; $