The number of blood tests performed and the related costs over the last nine months in Brentline Hospital are given below: Month January February March April May June July August September Blood Tests Performed 3, 125 3,500 2,500 2, 125 2, 250 1,500 1,550 2, 750 2,875 Blood Test Costs $ 14,000 $ 14,500 $ 11,500 $ 10,000 $ 11,000 $ 8,500 $ 8, 400 $ 12,000 $ 13,000 Required: 1. Using the high-low method, estimate the cost formula for blood tests. Y = X 2. Using the cost formula you derived above, what blood test costs would you expect to be incurred during a month in which 2,300 blood tests are performed? Variable cost Fixed cost Total cost