Author's Note: This three-part article is a very detailed analysis of AGNC Investment Corp.'s (AGNC) income statement (technically speaking, the company's "consolidated statement of comprehensive income"). I continue to perform this type of detailed quarterly analysis for readers who want to fully understand AGNC's ever-changing mortgage-backed securities ("MBS")/investment portfolio and risk management strategies. The accounts/topics discussed within this series of articles are also valuable for any investor that has an interest within the fixed-rate agency and broader mortgage real estate investment trust (mREIT) sector. For readers who just want the summarized account