12. (Perpetuities) What is the present value of the following? a. A $350 perpetuity discounted back to the present at 12 percent b. A $2,500 perpetuity discounted back to the present at 16 percent c. A $140 perpetuity discounted back to the present at 13 percent d. A $70 perpetuity discounted back to the present at 9 percent a. What is the present value of a $350 perpetuity discounted back to the present at 12 percent? $ (Round to the nearest cent.) b. What is the present value of a $2,500 perpetuity discounted back to the present at 16 percent? $ (Round to the nearest cent.) c. What is the present value of a $140 perpetuity discounted back to the present at 13 percent? $ (Round to the nearest cent.) d. What is the present value of a $70 perpetuity discounted back to the present at 9 percent? (Round to the nearest cent.) $