A restaurant in Bethlehem has five popular items in the menu. The following table shows the five items sales and cost for the month of September. All prices are in Shekel Item name Cost of Selling production per price in item NIS Quantities of sales 10 30 500 Chicken fingers Caesar Salad 00 25 650 Ribeye steak 27 70 250 15 45 323 Fettuccine Alfredo 5 20 600 Chocolate Mousse Please calculate the restaurant operating income before income tax for the month of September. While taking into consideration that the restaurant run on 50,440 ILS of fixed cost for the month of September. Moreover, which item you think has a higher proportion on profit and why