Pls Answer with steps

Bass Corporation's inventory records for the month of July is as follows: What is the cost of goods sold if Bass uses a periodic inventory system and a weighted average cost flow assumption? Do NOT use spaces, commas, and dollar signs in your answer. Enter numbers only, do not use characters in your answer.. For the calculation of cost per unit, round your number to the nearest cent (if your response is 376.486, write it down as 376.49 ). Round your response for the cost of goods sold to the nearest dollar