What is the best way to calibrate a thermometer used to check the temperature of hot-held foods?
a. Calibrate the thermometer to the temperature reading of another thermometer
b. Calibrate the thermometer to the temperature of the room according to the thermostat
c. Place the thermometer in boiling water and calibrate it to the boiling point of your altitude
d. Place the thermometer in a hot- held food and calibrate it to the holding equipment’s thermometer