Classify each of the following into one of the balance sheet categories provided below. Use the following codes.

CA - Current assets INV - Investments PPE - Property, plant, and equipment INT - Intangible assets OA - Other assets CL - Current liabilities LTL - Long-term liabilities CS - Capital stock PIC - Paid-in capital in excess of par RE - Retained earnings X - The item does not belong on a balance sheet - Prepaid insurance Stock owned in affiliated companies - Unearned service revenue - Advances to suppliers - Unearned rent revenue - Preferred stock - Additional paid-in capital on preferred stock ---- Copyrights - Petty cash fund - Sales taxes payable - Accrued interest on notes receivable Twenty year bonds that will mature in the next year with no sinking fund - Machinery retired from use and held for sale - Fully depreciated machinery still in use - Accrued interest on bonds payable -Salaries the company budget shows will be paid to employees next year Discount on the bonds payable mentioned above - Accumulated depreciation for buildings