Please Help me answer part C.

The controller of Crane Production has collected the following monthly expense data for analyzing the cost behavior of electricity costs. Determine the fixed- and variable-cost components using the high-low method. eTextbook and Media b) Your answer is correct. What electricity cost does the cost equation estimate for a level of activity of 460 machine hours? Electricity costs $ By what amount does this differ from March's observed cost for 460 machine hours? What electricity cost does the cost equation estimate for a level of activity of 800 machine hours? Electricity costs $ By what amount does this differ from June's observed cost for 800 machine hours