Assume that a company wants to separate a mixed cost into its variable and fixed elements for cost estimation purposes. It provided the following information: Month January February March April May June July August Units Produced 1,050 1,150 1,100 1,250 950 1,280 990 1,010 Mixed Cost $11,045 $11,870 $11,560 $12,100 $10,800 $12,210 $10,970 $11,005 The regression equation used for estimating the total mixed cost for a given level of activity is closest to: Multiple Choice y = $5,860 + $4.14% Y = $6.460$4.54x Y = $6,240 + $3.84x Y-$5,990 + $3.74%