2.1.954 Part 4 Section 3.17.7.83, DDB

a.   The standard states that if the cost life argument is less than or equal to 0, then #NUM! is returned.

Office returns #NUM! if the cost argument is less than 0.

b.   The standard does not specify the return value if period > life.

Office returns #NUM! if period > life.

c.   The standard states that the syntax is: DDB  (  cost  ,  salvage  ,  life  ,  period  [  ,  factor  ] ]  ).

Office uses the following syntax: DDB  (  cost  ,  salvage  ,  life  ,  period  [  ,  factor  ]  ).

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