CALELATOR FUILL SCREN PRINTER VERSION BACK NE Exercise 22-18 a, The controller of Ivanhoe Industries has collected the following monthly expense data for analyzing the cost behavior of electricity costs Total Total Electricity Costs Machine Hours January $2,050 2,960 3,530 4,600 3,160 4,910 4,100 3,950 5,030 4,230 3,390 6,210 March 685 May October 615 780 Determine the fixed- and variable-cost components using regression analysis (We recommend the use of Excel.) (Round fixed cost to 3 decimal places e.g. 1.252 and variable cost to s decimal places e.g. 1.25125 Fixed costs Variable-cost s Version 4.241 CY Policy What electricity cost does the cost equation estimate for a level of activity of 490 machine hours? (Round answer to Electricity costs s By what amount does this differ from March's observed cost for 490 machine hours? (Round answer to 2 decimal places e.g. 1.25.) Amount differ s Question Attempts: 0 of 1 use