September 1, Canadian Enterprises had a beginning balance in the Office Supplies account of $1,230. During the month, Canadian Enterprises purchased office supplies for $1,540. September 30, Canadian Enterprises had office supplies of $1,800 on hand. A. Open the Office Supplies T account, and enter the beginning balance and purchase of office supplies and the end total of the beginning balance. B. Record the adjusting entry required at September 30. C. Post the adjusting entry to the two accounts involved, and show their balances at September 30. September 1, Canadian Enterprises had a beginning balance in the Office Supplies account of $1,230. During the month, Canadian Enterprises purchased office supplies for $1,540. September 30, Canadian Enterprises had office supplies of $1,800 on hand. A. Open the Office Supplies T account, and enter the beginning balance and purchase of office supplies and the end total of the beginning balance. B. Record the adjusting entry required at September 30. C. Post the adjusting entry to the two accounts involved, and show their balances at September 30