Look at this page about " Professional Judgment"
and specifically the one about “Imputing Asset Values”. When there are interest/dividends, but not declared assets that could produce those interest/dividends, they may “Impute Asset Values”, i.e. they are saying there are some extra assets out there that are responsible for your dividends. The value would assume a certain interest rate.
This is just a hunch about what it could be, but ask if they are doing this, and what assumptions they are making.