4. The comparative condensed balance sheets of Able Corporation are presented below. ABLE CORPORATION Comparative Condensed Balance Sheets December 31 Assets 2020 2019 Current assets Property, plant, and equipment (net) Intangibles Total assets Liabilities and stockholders' equity Current liabilities Long-term liabilities Stockholders' equity Total liabilities and stockholders' equity Instructions $ 72,000 95,400 33,600 $201.000 $ 40,320 142,500 18,180 $201,000 $ 80,000 90,000 40,000 $210,000 $ 48,000 150,000 12,000 $210,000 (a) Prepare a horizontal analysis of the balance sheet data for Able Corporation using 2019 as a base. (b) Prepare a vertical analysis of the balance sheet data for Able Corporation in columnar form for 2020.