1.Given an example of a ratio and how legitimate business events made the ratio different from expectations. Indicate the evidence you would need to support the difference.

2.Sales are growing but Cost of Goods are shrinking. What might cause this that is legitimate? What might cause this that is not right? How would you audit these two possible causes?

3.The average collection period ratio is going down. What might cause this that is legitimate? What might cause this that is not right? How would you audit these two possible causes?