Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 7 · column 3 of 6 · from the scan, no model involved

•Annual yield based upon reinvestment of principal and interest at maturity with rates remaining unchanged. Federal regulations prohibit compounding and require substancial interest penalties on certificates withdrawn prior to maturity.
78.5%