or Electricity Costs TOTO Machine Hours January $2,380 200 February 3,010 390 March 3,600 490 April 4,800 690 May 3,150 500 June 4.900 710 July 4,040 645 August 3,880 530 September 5,060 675 October 4.200 610 November 3,390 390 December 6,090 730 (a) (b) What electricity cost does the cost equation estimate for a level of activity of 490 machine hours? Electricity costs $ 4410 By what amount does this differ from March's observed cost for 490 machine hours? Amount differ S Attempts: 0 of 1 used Sun Ali Save torte Last saved 4 minutes ago Saved work will be to submitted on the due date Auto- Submission Contact 10 minutes (c) was when u complete the cart above