14. Segment information Reportable segments have been determined based upon the Company s internal profitability reporting system, which is organized by strategic business unit. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer and the distribution of those products and services are similar. The reportable segments are Business Banking, Commercial Banking, Commercial Real Estate, Discretionary Portfolio, Residential Mortgage Banking and Retail Banking. The financial information of the Company s segments was compiled utilizing the accounting policies described in note 22 to the Company s consolidated financial statements as of and for the year ended December 31, 2014. The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to GAAP. As a result, the financial information of the reported segments is not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in reported segment financial data. Effective January 1, 2015, the Company made certain changes to its methodology for measuring segment profit and loss. Those changes in the measurement of segment profitability were largely the result of updated funds transfer pricing and various cost allocation reviews. The most significant changes to the funds transfer pricing resulted from ascribing a longer duration to non-maturity deposits, which significantly benefitted the Retail Banking segment. The cost allocation review having the largest impact related to a branch cost study. That study consisted of transaction reviews and time studies which resulted in a higher cost allocation from the Retail Banking segment to the Business Banking segment. As a result of the changes,