Question 1: A) ABC Company is designing a commercial refrigerator for use in restaurants. The refrigerator will be mass produced using the same design and there will be no variation in install for different customers. Would you use a PLC or a microcontroller for this application - provide a 4 point justification for your answer. (5 marks) B) XYZ Company is designing a centrifuge to be used for wastewater treatment. Although the core machine will be largely the same there will be variations for each customer depending on the existing mechanical and the customers application. The customers will also require ongoing support to maintain the centrifuge and modify its functionality as their process expands. Would you use a PLC or a microcontroller for this application - provide a 4 point justification for your answer. (5 marks)