Although this example is from the public sector, the outcome from accounting errors is often the same… in the public and private sectors.  Bad accounting data leads to bad business decisions.

http://www.mercurynews.com/peninsula/ci_13183700

The deficit was caused because of “internal accounting, tracking and analysis deficiencies”. The surprise $3.89 million deficit means 60 employees  may have to be laid off to bring the budget back into the black.