At the beginning of the month, Supplies were 5400. During the month, the company purchased $500 of supplies. At month's end, September 30, 5600 of supplies were still on hand a. What was the cost of supplies used during the month? Where is this item reported? b. Where is the ending balance of supplies reported? c. Make the adjusting entry to update the Supplies account at the end of the month a. What was the cost of supplies used during the month? Where is this item reported? The cost of supplies used during the month was $