Sheridan Inc. is a retailer operating in Calgary. Alberta. Sheridan uses the perpetual inventory system. Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Sheridan for the month of January 2025. (a1) Calculate weighted-average unit cost. (Round answers to 3 decimal places, es. 5.125.) For each of the following cost flow assumptions, calculate (i) cost of goods sold, (ii) ending inventory, and (iii) gross profit. (Round answers to 0 decimal ploces, es. 125.) (1) LIFO. (2) FIFO. (3) Moving-average