A cafeteria wants to introduce a new burger, with bread and beef together weighing at least 1 ounce. The cafeteria manage also wants the new burger to meet a new nutrition standard, i.e. contains at least 7 units of Vitamin A and 10 units of Vitamin B. Each ounce of beef contains 1 unit Vitamin A and 6 units of Vitamin B, while each ounce of bread contains 2 units Vitamin A and 1 units of Vitamin B. The price of beef is $0.5 per ounce and the price of bread is $0.1 per ounce.
Part 1) To minimize the cost, the cafeteria should use ____________ ounces of beef and _______________ ounces of bread to make the new burger. (Please round to two decimal points and include no units.)
Part 2) If the cafeteria uses 1.18 ounces of beef and 2.91 ounces of bread to make the new burger, the total cost of the new burger (excluding other ingredients) is ______________ dollars, (Please round to two decimal points and include no units.) and the content of Vitamin A is ______________ while that for Vitamin B is ______________ . (Please round to the closest integer and include no units for the last two answers.)