8 EX 19-08 ALGO (A High-Low Method for a Service Company Boston Ralroad dedded 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 Boston Railroad is a measure of railroad operating activity, termed "gross-ton miles," which is the total number of tons multiplied by the miles moved Gross-Ton Miles $967,800 1,079,000 762,600 1,034,500 857,700 1,112,400 235,000 262,000 170,000 254,000 204,000 276,000 per gross-ton mile 9. EX.19.22 ALGO (Algonithmac) 11/20/2017