Wigh-lowi method for a service company Slerre failroed inc, decided to use the high-low method and operating dota from the past six months to estimate the fixed and variable components of transportation costs. The activity base used by Slerra Raliroad is "gross ton miles," which is the total number of tons multipled by the miles moved. Determine the variable cost per gross-ton mile and the total fived cost. Variable cost (If required, round to two decimal places.) 5 per gross-ton mile Total fixed costs