A method, system and program product, the method accessing, one or more electronic databases, comprising: aggregated account information for one or more FDIC-insured and interest-bearing aggregated deposit accounts held in one or more deposit institutions, in a program; and client account information; determining or having determined or accessing a fee tier from among a plurality of fee tiers for the respective client account; allocating, funds of the client accounts to one or more of the aggregated deposit accounts based on one or more criteria, wherein some of the client accounts in a plurality of different fee tiers are allocated to the same aggregated deposit account; determining or having determined a total interest amount for the respective client account for a period, based, at least in part, on interest earned by the one or more amounts, Ani, of the respective client account held in each of the one or more aggregated deposit accounts holding funds of the respective client account; calculating or having calculated or obtaining a fee amount for the respective client account, based at least in part, on the fee tier for the respective client account; determining or having determined a client account interest so that the fee amount for the respective client account and the client account interest substantially equal the total interest amount for the respective client account; and updating the one or more databases.