a. Assume Guihua uses moving average perpetual. Calculate the cost of ending inventory, cost of goods sold, gross profit, GP\%, and markup \% b. Assume Guihua uses FIFO periodic. Calculate the cost of ending inventory, cost of goods sold, gross profit, GP\%, and markup \% c. Prepare journal entries to record the April 12 purchase and the April 30 sale using (1) FIFO periodic and (2) Moving Average perpetual. Assume all transactions were on account