High-Low Method for Service Company Miss River Railrond decided to use the high-low method and operating data from the past six months to estimate the fixed and variable components of transportation cost The activity base used by Miss River Railroad is a measure of rairoad operating activity, termed "gross-ton mies," which is the total number of tons multiplied by the miles moved Transportation Costs 51.478,500 Gross-Ton Miles 369,000 January February 1,648,400 March 1,165,000 412,000 267.000 399,000 April 1,580,400 May 1,325,500 321,000 June 1,699,400 434,000 Determine the variable cont per gross ton mile and the fixed costs Round variable cont per unit to the nearest cert. Variable cost x per growton mile Fixed cost Divide the difference between the highest and lowest transportation costs by the difference between the highest and lowest grosseton miles. Multiply the variable unut cost by the number of miles for a month. Subtract this variable cost from the month's transportation cos