How can I solve for FIFO, LIFO, and Average Cost in periodic form? I will not give you the numbers I just need to know how to solve this. There are two other pages of Purchases and Sales. Purchases has the date, quanity sold and price, and the other page with Sales with date, quanity sold and price... Please tell me how to calculate the answer myself. The dates stretch for the whole year. I just need formulas.

Ridibles Radiantly Revitaleed thobes purchases robes from sappliers, bedazzles them, and then sells to witches and wirards who truly want to stand out. fudde wes a periodic inventory system and has hired you as a consitant to help with their inventory managenent and accounting. Thery have provded their inventory transactsons for the past year (parchases and sales) and asked that you provide the following? (1) Ending imventory, Cost of Coods sold, and Gross Proft for three different imentory costing methods (T1w0, uFO and Average Cost)