16 . Chambliss Corporation has three costs : ", which is variable ; &, which is fixed ; and C, which is semivariable . The company uses the high- low method and extracted the following data from it's accounting records : . At 1 80, Odd hours of activity , Cost A totaled $ 2, 610, 000 . At 1 40, DOD hours , the low point during the period , Cost [ totaled $1, 498, 000 ; at 200, 000 hours , the high point , Cost ['s fixed portion amounted to $1. 75 per hour . . At IGO, Odd hours of activity , the sum of Costs A E, and [ amounted to 58, 162, 000 . Required :" A. Compute the variable portion itotall of Cost [ at 140, 000 hours of activity . B. Compute Cost [ itatall at 160, Odd hours of activity . [. Compute Cost El totall at 160, odd hours of activity*