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Tenta Inks Company has compiled the following data for the last five months of operations: Labor Hours Cost of Sales P 617 160 130 553 Month August September October November December 180 596 190 725 110 532 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