Martinez Corporation's balance sheet at the end of 2019 included the following items. The following information is available for 2020 . 1. Net income was $60,100. 2. Equipment (cost $21,770 and accumulated depreciation $9,770 ) was sold for $11,770. 3. Depreciation expense was $5,770 on the building and $10,770 on equipment. 4. Patent amortization was $2,500. 5. Current assets other than cash increased by $29,000. Current liabilities increased by $14,770. 6. An addition to the building was completed at a cost of $28,770. 7. A long-term investment in stock was purchased for $16,000. 8. Bonds payable of $52,190 were issued. 9. Cash dividends of $30,000 were declared and paid. 10. Treasury stock was purchased at a cost of $11,000. Martinez Corporation's balance sheet at the end of 2019 included the following items. The following information is available for 2020 . 1. Net income was $60,100. 2. Equipment (cost $21,770 and accumulated depreciation $9,770 ) was sold for $11,770. 3. Depreciation expense was $5,770 on the building and $10,770 on equipment. 4. Patent amortization was $2,500. 5. Current assets other than cash increased by $29,000. Current liabilities increased by $14,770. 6. An addition to the building was completed at a cost of $28,770. 7. A long-term investment in stock was purchased for $16,000. 8. Bonds payable of $52,190 were issued. 9. Cash dividends of $30,000 were declared and paid. 10. Treasury stock was purchased at a cost of $11,000