(b) Your answer is partially corect What electricity cost does the cost equation estimate for a level of activity of 460 machine hours? Electricity costs $ 3730 By what amount does this differ from March's observed cost for 460 machine hours? Amount differ $ 440 eTextbook and Media Attempts: 3 of 5 used Save for Later Submit Answer (c) (b) Your answer is partially corect What electricity cost does the cost equation estimate for a level of activity of 460 machine hours? Electricity costs $ 3730 By what amount does this differ from March's observed cost for 460 machine hours? Amount differ $ 440 eTextbook and Media Attempts: 3 of 5 used Save for Later Submit Answer (c)