Final answer:
The temperature range for maintaining safe hot ingredients at Taco Bell is above 140 degrees Fahrenheit (60 degrees Celsius). Any perishable foods left between 40 and 140 degrees Fahrenheit (4 and 60 degrees Celsius) for more than two hours should be discarded.
Step-by-step explanation:
In order to maintain safe hot ingredients at Taco Bell, the temperature range should be above 140 degrees Fahrenheit (60 degrees Celsius).
Any perishable foods left at a temperature between 40 and 140 degrees Fahrenheit (4 and 60 degrees Celsius) for more than two hours should be thrown out due to the rapid bacterial growth that can occur within this range.