Sheridan Inc. is a retailer operating in British Columbia. Sheridan 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 settled in cash. You are provided with the following information for Sheridan Inc. for the month of January 2022. Calculate the Moving-average cost per unit at January 1,5,8,10,15,16,20,&25. (Round moving-average cost per unit answers to 3 decimal places, e.g. 5.251.)