B. Twelve percent
11.7 percent which is rounded to 12.
Genetically modifying food can lead to things like Cancer, Diabetes, and other diseases. EU has banned it for the most part because of it's unhealthy nature, and tendency to cause problems in the body. They aren't "frankenstein foods", just foods that have been modified to help production and efficiency.
The recommended weight limit according to NIOSH would be base on an equation and is dependent to a number of factors. This equation is called the NIOSH Lifting equation. Under ideal conditions, the maximum recommended weight is 51 pounds. Hope this answers the question.