This issue also comes up with the valuation of difficult to estimate insurance liabilities. While a value may be estimable by an actuary, how reliable is that estimate? Can the user depend on that value, or could the user instead be materially misled by relying on that value? If a range of estimates could be produced, but only the low end of the possible valuation range could be reliably determined, booking the low end of the range may pro- duce a reliable estimate but how relevant would it be? Would more disclosure be required to make the.