Ten hard questions to ask or be asked

1Are percentage changes calculated from the correct base, and are their inverses stated correctly?
2Is the interest rate simple or compound?
3How often is interest paid, or added to the principal amount?
4Is like being compared with like (e.g. are interest rates effective)?
5If the time periods are different, has proper account been taken of the time value of money for the unmatched period?
6Are residual amounts/values properly accounted for?
7Is the most appropriate interest, discount or hurdle rate being used as a yardstick?
8Has inflation been correctly factored in to the calculations?
9When calculating net present value, what happens if you change the discount rate?
10Is the business taking/rejecting ...

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