What is the present worth of the following series of payments? (a) $1,000 at the end of

Question:

What is the present worth of the following series of payments?
(a) $1,000 at the end of each year for 8 years at 6.8% compounded annually
(b) $3,500 at the end of each year for 12 years at 9.5% compounded annually
(c) $1,900 at the end of each year for 9 years at 8.25% compounded annually
(d) $9,300 at the end of each year for 5 years at 7.75% compounded annually