Mixed Cost Analysis, High- Low Method. I am having problems with the cost equation in the 3rd part screen shot below. I'm looking for assistance in part b.

Question 3 of 4 0.83 / 2.5 E ... Your answer is correct. Determine the fixed- and variable-cost components using the high-low method. Fixed-costs to 460 Variable cost per machine hour $ 7.00 eTextbook and Media Assistance Used e Textbook Video 1 Video 2 Video 3 Attempts: 1 of 5 usedQuestion 3 of4 0.83 /2.5 E (b) ' x Youransweris incorrect. ' What electricity cost does the cost equation estimate for a level of activity of 480 machine hours? Electricity costs $ 2,420 By what amount does this differ from March's observed cost for 480 machine hours? Amount differ $ 310 eTextbook and Media Assistance Used Save for Later Attempts: 2 of 5 used