(1 point) A dietitian is planning a meal that supplies certain quantities of vitamin C, calcium, and magnesium. Three foods will be used, their quantities measured in milligrams. The nutrients supplied by one unit of each food and the dietary requirements are given in the table below. Nutrient Food 1 Food 2 Food 3 Total Required (mg) Vitamin C 40 40 80 500 235 Calcium 10 30 40 Magnesium 50 60 120 700 Write the augmented matrix for this problem. 40 10 40 50 30 80 40 500 60 700 What quantity (in units) of Food 1 is necesary to meet the dietary requirements? 120 235 What quantity (in units) of Food 2 is necesary to meet the dietary requirements? What quantity (in units) of Food 3 is necesary to meet the dietary requirements?