1.) determie the exact simple interest on 5000 for the period of january 15 to nov 28 1992 if the interest rate is 12%.

2.) by the conditions of a will, the sum of 25000 is left to a girl to be held in trust by her guardian unti it amount to 45000. when will the girl receive her is the fund is invested at 8% compounded quarterly?

3.) at a certain interest rate compounded anually, 5000 will amount to 20000 after 10yrs, what is the amount at the end of 15yrs?

4.) a guy borrowed money from a bank. he received from bank 1342 and promises to pay 1500 at the ed of 9 months. determine the simple interest rate of the corresponding discount rate or "banker's discount"

5.) a young woman, 22yrs old, just graduated from college. she accepts a good job ad desire to establish her own retirement fund. at the end of each yearshe plans to deposit 2000 in a fu of 15% annual interest. how old will she be after the fund has a accumulated value of 1,000,000?