Calculate the amount of each annuity.
1. Don won the cash for life lotteryvand will recieve a $1000 per week for the next 25 years. how much must the lottery corporation invest today intoban account that pays 4% compounded weekly to provide Don with the prize?.
2. An annuity pays $1200 per year for 15years.the money is invested at 5.2% compounded annually.the first payment is made 1yr after the purchase of annuity.determine tge inerest earned by the annuity over the 15 years.