Patent ID: 8229830

Claim:
A computerized financial instrument management system, comprising: a data storage device storing data indicative of: an account having an account balance, the account balance being initially based upon an amount deposited to the financial instrument and subsequently based on changes in value of one or more funds selected by a financial instrument owner, withdrawals made by the financial instrument owner, and subsequent deposits to the financial instrument; a payment base value based initially upon the amount deposited to the financial instrument; a guarantee of availability of benefit payments for a term, during each of a plurality of time periods during the term, without reduction of the payment base value; and a plurality of withdrawal factor values, the withdrawal factor values being greater than zero and increasing after the first of the benefit payments; and a processor in communication with the data storage device and associated non-transitory computer-readable medium, the computer-readable medium having computer-readable instructions which, when executed by the processor, cause the processor to: determine, for any selected one of the time periods during the term, an available amount of the benefit payment, the determining comprising: accessing from the data storage device data indicative of a withdrawal factor value and at least one of a payment base value and an account balance value; and based on the accessed data indicative of the withdrawal factor value and either the payment base value or the account balance value, determining an available amount of the benefit payment; and store the determined available amount in the data storage device and communicate with an associated display device for display of the determined available amount together with other data associated with the financial instrument.