More info 10A. Peaceful Books has the following transactions in August related to merchandise inventory. Click the icon to view the transactions.) Read the tequirements. a., b., and c. Dotermine the cost of goods sold and ending merchandise inventory using the (a) FIFO inventary costing method, (b) LFO inventory costing method, and (c) wel inventory costing method assuming Peaceful Books uses the periodic inventory system. (Round weighted average cost per unit to the nearest cent and all other amounts fo the