Weighted average method

Units Unit Cost Total January 62 $ 1,860 $ 115,320 February 46 1,920 88,320 March 40 1,940 77,600 Sales for each month in the quarter were as follows: Units Unit Selling Price Total January 49 $ 4,300 $ 210.700 February 19 4,500 85,500 March 43 4,750 204,250 Operating expenses in the quarter were $124,000