Consider the project balances for a typical investment project with a service life of four years.
The 'An' for years 0 through 4 are: ($)
-8,000
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3,241
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The project balance at the end of the given years (n = 0 through 4) are: ($)
-8,000
-8,700
-7,300
-4,700
751
Determine the interest rate used in computing the project balance. Enter your answer as a percentage between 0 and 100.