(Appendix) Inventory Costing Methods: Periodic Inventory Systems. Refer to the information for Tyler Company in Brief Exercise 6-31. and assume that the com- pany uses the periodic inventory system. Required: Calculate the cost of goods sold and the cost of ending inventory using the FIFO and weighted average cost methods. (Note: Use four decimal places for per-unit calculations and round all other numbers to the nearest whole dollar.)

\section*{Exercise