A small firm manufactures items A and B. The total number of items that it can manufacture in a day is at the most 24 Item A takes on hour to make while item B takes only half an hour. The maximum time available per day is 16 hours. If the profit on one unit of item A be 300 and that on one unit of item B be 160, how many of each type of item should be produced to maximize the profit? Solve the problem graphically