Total sales?

lizn135

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Mar 13, 2010
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Sales of Ver.X of a computer software package start out high and decrease exponentially. At time t, in years, the sales are s(t)= 55(e^-t) thousands of dollars per year. After 4 years, Ver.Y of the software is released and replaces Ver.X. Assume that all income from software sales is immediately invested in government bonds which pay interest at a 6 percent rate compounded continuously, calculate the total value of sales of Ver.X over the four year period.

I have no clue how to solve this question...except that I may have to find the future value at the end of the question. Could someone help me set up this question? Thank you in advance.
 
lizn135 said:
I have no clue how to solve this question.
Why? Taking an on-line course?

Are you able to calculate the basic sales for the 4 years?
 
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