Question 6 Presented below are the production data for the first six months of the year for the total mixed costs incurred by Nevada Company. Month Cost Units January $4,890 4,100 February 4,024 3,200 March 6,480 5,300 April 8,840 7,500 May 5,800 4,800 7,336 6,600 Nevada Company uses the high-low method to analyse mixed costs, which of the following is the cost function which represents total costs. ljune O a. Y= $440 + $1.12X O b. Y = $340 + $0.90X O c. Y= $400 + $1.00X O d. Y = $112 + 4.40X