Present value of an annuity. Find the present values of these ordinary annuities. Discounting occurs once a year. $400 per year for 10 years at 10...

3. Present value of an annuity. Find the present values of these ordinary annuities. Discounting occurs once a year.a. $400 per year for 10 years at 10 percent.b. $200 per year for $5 years at 5 years.c. $400 per year for 5 years at 0 percent.d. Rework parts a,b and c assuming that they are annuities due.

3. Present value of an annuity. Find the present values of these ordinary annuities. Discounting occurs once a year.a. $400 per year for 10 years at 10 percent.b. $200 per year for $5 years at 5...