Hadley Company makes and sells a unique product that is designed for a specific market. Cost information relating to that product is shown below:

Sales Price $ 19 per unit

Variable Costs $7 per unit

Fixed Costs $ 3,340 total

Hadley expects to make and sell 638 units. Based on this information, the margin of safety ratio expressed as a percentage is : __________% Round your answer to 4 decimals and as a percentage. If your answer is .1111, answer 11.11.