A NICE APPLICATION FOR THIS IS FOR EXAMPLE A PROJECT THAT YOU MAY DEFINE IN TWO STEPS. a) First you accumulate money for your retirement and then you look at how many years this amount would be sufficient to provide you benefits. i) Assuming yearly amount you will withdraw is K find the time ii) If you want it to be sufficient for 15 years find $K etc. YOU HAVE HOWEVER TO CONSULT ME AT THE POINT WHERE YOU MAKE THE STATEMENT OF THE PROBLEM PROJECT TYPE I Investment problem of any kind It shouldn't be however a problem as simple as A father wanted to accumulate $5000 at the end of 5 years for his son. How much should he invest every year at 6% interest compounded yearly. You should put it in a context or design three alternative investment plans which you can compare. Plan 1) regular investments Plan 2) Invest for 3 years $A, than put an extra $1000 at the end of the third year and then continue with an amount less than $A to reach at the desired accumulation value. You should find here the value of $B