one of its products, the Trinton: Date Jan. Feb. 1 4 Transaction Beginning inventory Purchase Sale Purchase Sale Feb. Apr. Nov. Price/ Cost $11 19 28 22 34 Quantity 1,600 2.480 2.850 3.440 3.000 20 2 4 (a) Calculate cost of goods sold, assuming Concord uses a periodic inventory system and FIFO cost formula, Cost of goods sold $ e Textbook and Media Stor later