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 5,120 5,400 4,695 4,290 4,425 3,600 4,020 5,315 5,245 Blood Test Costs $ 67,900 $ 70,530 $ 61,932 $ 56,782 $ 59,041 $ 48,570 $53,212 $ 69,419 $ 69,025 Required: 1. Using the high-low method, estimate the cost formula for blood tests. (Round cost per unit answer to 2 decimal places.) Y = 2. Using the cost formula you derived above, what blood test costs would you expect to be incurred during a month in which 4,410 blood tests are performed? (Round your intermediate calculations answer to 2 decimal places.) Variable cost Fixed cost Total cost $ 0