The number of blood tests pertormed and the related costs over the last nine months in Brentine Hospital are given below Required: 1. Using the high-low method, estimate the cost formula for blood tests. (Round cost per unit answer to 2 decimal ploces.) Alequired: 1. Using the high-fow method, estimate the cost formula for blood tests. (Round cost per unit snwwer to 2 decimat places)] 2. Using the cost formula you derived above, what blood test costs would you expect to be incurted during a month in which 2765 blood tests are performed? (Round your intermediste caleulations answer to 2 decimal plactes.)