High-low method; flexible budget Tijuana Tile has gathered the following information on its utility cost for the past six months. Machine Hours Utility Cost 1,300 $1,410 1,700 1,613 1,250 1350 1,800 1,498 1,900 1,740 1,500 1,485 a. Using the high-low method, determine the cost formula for utility cost. y=s o per MH b. Prepare a flexible budget with separate variable and fixed categories for utility cost at 1.325, 1.500, and 1,675 machine hours. 1,325 1,500 1,675 Variable unity cost 05 05 Fixed utility cost 0 0 Expected total utility cou 01 05 0 Check