Author’s Note: PART 3 of this article is a continuation from PART 1 and PART 2 which were discussed in previous publications. Please see PART 1 and PART 2 of this article for a detailed projection of AGNC Investment Corp.’s (AGNC) income statement (technically speaking, the company’s “consolidated statement of comprehensive income”) for the fourth quarter of 2018 regarding the following accounts: 1) interest income; 2) interest expense; 3) gain (loss) on sale of investment securities, net; and 4) gain (loss) on derivative instruments and other securities, net (including