The controller of Cullumber Industries has collected the following monthily expense data for analyzing the cost behavior of electricity costs. Total Total Electricity Costs Machine Hours January $1890 270 February 2.970 360 March 3,400 470 April 4,610 685 May 3.220 440 June 4,910 710 July 4,120 645 August 3.880 530 September 5.160 660 October 4,380 620 November 3,240 360 December 6,290 730 (a) Determine the fixed-and variable-cost components using regression analysis (We recommend the use of Excel) (Round fixed cost to 3 decimal places es. 1.252 and variable cost to 5 decimal places eg. 1.25125.) Fixed costs Variable-cost

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The controller of Cullumber Industries has collected the following monthly expense data for analyzing the cost behavior of electricity
costs.
Total
Electricity Costs
Total
Machine Hours
January
$1.890
270
February
2.970
360
March
3400
470
April
4,610
685
May
3.220
440
June
4,910
710
July
4,120
645
August
3,880
530
September
5,160
660
October
4,380
620
November
3.240
360
December
6,290
730
(a)
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 5 decimal places eg. 1.25125.)
Fixed costs
%24
Variable-cost
24
Transcribed Image Text:The controller of Cullumber Industries has collected the following monthly expense data for analyzing the cost behavior of electricity costs. Total Electricity Costs Total Machine Hours January $1.890 270 February 2.970 360 March 3400 470 April 4,610 685 May 3.220 440 June 4,910 710 July 4,120 645 August 3,880 530 September 5,160 660 October 4,380 620 November 3.240 360 December 6,290 730 (a) 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 5 decimal places eg. 1.25125.) Fixed costs %24 Variable-cost 24
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