2. Chapter 15. Porter Technology Inc. issues a $500,000, 8%, 20-year mortgage note on December 31, 2020, to obtain needed financing for a new research laboratory. The terms provide for annual installment payments of $50,926 (not including real estate taxes and insurance). a) Prepare installment payment schedule for the first four years. b) Porter records the mortgage loan on December 31, 2020. Prepare journal entries. c) On December 31, 2021, Porter records the first installment payment. Prepare joumal entries