15. For each of the following balance sheet items, indicate the appropriate classification category in writing The common classification category is as following Current assets Current assets - contra Property, plant, and equipment Intangible assets Investments Current liabilities Long-term liabilities Retained earnings Paid-in capital Note: If the item is a contra account, put the appropriate class and add the word contra. (1) Equipment is (2) Accounts payable is (3) Allowance for uncollectible accounts is