Frank Company operates a cafeteria for its employees. The number of meals served each week over the last seven weeks, along with the total costs of operating the cafeteria are given below: Week Meals served Cafeteria costs 1 1,500 $ 6,600 2 1,600 $ 6,800 3 1,800 $ 7,200 4 1,450 $ 6,500 5 1,200 $ 6,000 6 1,650 $ 6,900 7 2,000 $ 7,600 Assume that the relevant range includes all of the activity levels mentioned in this problem. Using the high-low method of analysis, the company's weekly fixed costs would be estimated to be: 4,800 5,200 6,800 5,600