(9)While estimates on returns from a PRIIP are difficult to produce and understand, information on such estimates are of primary interest for retail investors and should be included in the key information document. Retail investors should be provided with clear information on return estimates that is consistent with realistic assumptions about possible outcomes and with the estimates of the PRIIPs' level of market risk, presented in such a way so as to make clear the uncertainty of that information and the fact that better or worse outcomes are possible.