to used book bargains at book sales held Laporte by libraries and other nonprofit organizations Fairport Using RuleofThumb Guidelines to Estimate Business Value. Estimating the value of a business Surprise based on appraisal rules of thumb and guidelines using a multiple Huntertown of cash flow or a percentage of revenue. Chapter XXXII History of Brookville, History Bradford of Jefferson. Chapter XXXII History of Brookville . It was seven years after ph Barnett set up his "household gods" at Port Barnett, before the county of Jefferson was erected.