The number of blood tests performed and the related costs over the last nine months in Brentline Hospital are given below: Blood Tests Blood Month Performed Test Costs January 5,490 $ 67,658 February 6,400 $ 76,720 March 4,985 $ 61,443 April 4,290 $ 53,730 May 4,445 $56,000 June 3,600 $ 46,480 July 4,050 $ 50,912 August 4,965 $ 61,012 September 5,440 $66,892 Required: 1. Using the high-low method, estimate the cost formula for blood tests. (Round cost per unit answer to 2 decimal place) YE X 2. Using the cost formula you derived above, what blood test costs would you expect to be incurred during a month in which 4,850 blood tests are performed? (Round your intermediate calculations answer to 2 decimal places.) Variable cost Fixed cost Total cost