Sales of Version 3.0 of a computer
software package start out high and decrease
exponentially. At time , in years, the sales are
thousands of dollars per year. After 4 years,
Version 4.0 of the software is released and replaces Version 3.0.
Assume that all income from software sales is immediately invested in
government bonds which pay interest at a
4 percent rate compounded continuously, calculate the total
value of sales of Version 3.0 over the four year period.