Miss River Railroad decided to use the high-low method and operating data from the past six months to estimate the fixed and variable components of transportation costs. The activity base used by Miss River Railrosd is a measure of radroad operating activity, termed "gross-ton mules," which is the total number of tons multiplied by the miles moved. Determine the variable cost per gross-ton mile and the fived cost. Round variable cost per unit to the nearest cent. Variable cost 1 per gross-ton mile Fixed cost 9