Calculate the weighted-average cost per unit: (Round answer to 4 decimal places, e.g, 2.7613.) Weighted-average cost per unit $ eTextbook and Media Attempts: 3 of 4 used (b) Compute cost of goods sold, assuming Whisperinguses: (Round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to 0 decimal places, e.g, 6,548