Waterway Inc. is a retailer operating in British Columbia. Waterway uses the perpetual inventory system. All sales returns from customers result in the goods being returned to inventory; the inventory is not damaged. Assume that there are no credit transactions; all amounts are settied in cash You are provided with the following information for Waterway Inc for the month of January 2022 Calculate the Moving-average cost per unit at January 1,5,8,10,15,16,20,625, (Round moving averase cost per unit answers to 3 decimal ploces, es.5.251.) For each of the following cost flow assumptions, calculate cost of goods sold, ending inventory, and gross profit. (1) LIFO. (2) FIFO. (3) Moving-average cost. (Round average-cost per unit to 3 decimal places, es. 12502 and final answer to 0 decimal places, es. 1,250 )