(a) Calculate average-cost per unit. (Round answer to 4 decimal places, e.g. 2.7613.) Average-cost per unit $ eTextbook and Media Vaughn Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. Compute cost of goods sold, assuming Vaughn uses: (Round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to 0 decimal places, e.g. 6,548.)