Your task is to plan a diet for the next 4 weeks for a person. During this time period, the overall nutritional value of the diet with respect to the vitamins considered (A, B1, B2, C) has to meet at least the minimum 28-day requirement (2800% over the 4 weeks), without exceeding this requirement limit more than by its double (5600%). Set the minimal and maximal number of food packages over the 4-week time period to 10 and to 40, respectively. All other given data remain unchanged. Solve the model, and generate an answer report