Use the following to answer questions Johnson Company has provided the following data for the first five months of the year Machine Hours Lubrication Cost January 120 February 160 March 200 April 150 May 170 $870 5790 Using the Ngh-low method of analysis, the estimated variable lubrication cost per machine hour is dlocest o b. $1.25 $0.67 d $1.50 Using the high low method of analis, the estimated monthly Sied component of labrication cest is dlosest to $570 b $560 5585 556S 130 machine hours, the espected brication cost is espected to be $760 $76 5855