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PROBLEM 1 Below are the accounts and balances from ABC Corporation's ledger at December 31, 201A, listed in alphabetical order. For each account, indicate whether the item is an Asset (A), Contra Asset (XA), Liability (L), Stockholders' Equity (SE), Revenue (R), or Expense (E) Type of Account Accounts Pavable Accounts Receivable Accumulated Depreciation Building & Equipment Cash Common Stock (no changes during the year) Cost of Goods Sold Depreciation Expense Income Tax Expense Interest Expense Inventory Land Mortgage Payable (in 201E) Notes payable (in 201D) Other Operating Expenses Other Long-Term Assets Prepaid Expenses Retained Earnings as at 1 Salaries Expense Salaries Payable Sales Revenue Supplies Unearned Revenue 300 500 100 400 50 256 900 75 110 15 320 30 130 80 40 90 240 60 4 1500 70 60