Office Challenge: How would you count personnel selling below quota?

In this week's Office Challenge, Susan Harkins tests your Excel skills by creating a dynamic counting function. Can you meet the challenge?

Using the sheet shown below, how would you count the number of personnel not meeting their quota? Right now, there is no quota stated, that's up to you. There's more than one way to solve this one and it isn't as difficult as you might think. Right now, the sheet counts the sales per person using the following formula:


Credit will go to the easiest solution and the solution that incorporates the existing components the best.