Tenta Inks Company has compiled the following data for the last five months of operations: Month Labor Hours Cost of Sales 160 P617 August September October 130 553 180 596 November 190 725 December 110 532 Applying the HIGH-LOW METHOD, derive the cost equation. Note: This is the only question that requires an answer that is not just numerical. For uniformity of answers do not include the currency sign. Do not place any spaces. Round-off FIXED COSTS to a whole number (no decimal places) and for VARIABLE COST per unit use 2 decimal places