Carla Vista Inc. is a retailer operating in Calgary, Alberta. Carla Vista 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 Carla Vista for the month of January 2025. (a1) Calculate weighted-average unit cost. (Round answers to 3 decimal places, e.g. 5.125.) Jan. 1$ Jan. 2$ Jan. 6$ Jan. 9$ Jan. 10$ Jan. 23$ Jan. 30$ eTextbook and Media