Current Attempt in Progress Cullumber Company has provided you with the following information regarding its inventory of copper for September and October. Cullumber uses a perpetual inventory system. Calculate the cost, the net realizable value, and the amount to be reported on the balance sheet for Cullumber's inventory at (1) September 30 and (2) October 31. The parts of this question must be completed in order. This part will be available when you complete the part above. (c) The parts of this question must be completed in order. This part will be available when you complete the part above