According to data generated from POS system of a two Michelin Star classic Chinese restaurant, the general manager would like the restaurant manager to classify the menu items into the four categories, namely "Dog", "Plowhorses", "Puzzles" and "Star", of the menu engineering model. Menu Items Price Dim Sum Chicken Bun with Ginger $28 Crab Meat Supreme Soup Dumpling $228 Deep-fried Taro Prawn Dumpling Pork Liver Dumpling Average Profit Popularity Cost % Margin $58 $58 20% High 30% Low 28% Low 24% High As the restaurant manager, you are required to provide the following: a) Describe the concept of the menu engineering model AND classify all the menu items with diagrams accordingly. (10 marks) Popularity 32% 12% 28% 15% High Low High Low b) Give at least TWO (2) recommendations each for improving the performance of all the four menu items. (30 marks)