1. A 11-year $8000.00 promissory note, with interest at 8.4% compounded monthly, is discounted at 6.5% compounded semi-annually yielding proceeds of $14 631.15. How many months before the due date was the date of discount?
2. A financial obligation requires the payment of $250.00 in eighteen months, $350.00 in thirty months, and $300.00 in fifty-four months. When can the obligation be discharged by a single payment of $800.00 if interest is 5% compounded semi-annually?
3. What is the nominal rate of interest compounded semi-annually which is equivalent to an effective rate of 5.89%?
4. Over a 15-year period, Tariq's investment in Cameco stock grew in value from $3000 to $19 847. During the same period, the consumer price index rose from 88.31 to 118.91. What was his real compound annual rate of interest on the stock during this period?