Each brand is trying to find a way to get a leg up on the competition in a tight market space. The above picture is what I found on my last grocery run. What caught my eye was the asterisk next to the non-GMO popcorn claim. My guess was the ingredients list would include soybean, canola, or corn oil.
The temperature for broiling in an oven is 260 degrees Celsius or  500 degrees Fahrenheit. Medium heat is about 177 degrees Celsius or  350 degrees Fahrenheit.
The electronic oven control is set to operate in Â°F (Fahrenheit) when shipped from the factory. The oven can be programmed. for any temperature from 170Â°F to 550Â°F (65Â°C to 287Â°C). To change the temperature to Â°C (Celsius) or from Â°C to Â°F (control should not be in a Bake or Clean mode): 1. Push BROIL pad.