I need help with this question. Im not sure how to do FIFO or Weighted average for a periodic inventory system. Could you walk me through step by step??

Windsor Company sells discounted shoes to the fashion-oriented consumer. The following schedule relates to the company's inventory for the month of March: Windsor Company uses the periodicimventory system. Calculate Windsor Company's cost of goods sold, gross margin, and ending inventory using: i. FIFO ii. Weighted-average (Round calculations for cost per unit to 2 decimal places, eg. 10.52.)