how would you do this question in a perpetual inventory system becausw I got the COGS and Gross Margin correct fifo, but im not sure how to get the ending inventory or the weighted average. Could you do step by step for me to understand it better??

Skysong Company sells discounted shoes to the fashion-oriented consumer. The following schedule relates to the company's inventory for the month of March: Skysong Company uses the perpetual inventory system. (a) Your answer is partially correct. Calculate Skysong Company's cost of goods sold, gross margin, and ending imentory using: 1. FIFO ii. Weighted-average (Round calculations for cost per unit to 2 decimol places, eg. 10.52 and final answers to 0 decimal places, eg. 61,052)