Description: This session at the SOA 1998 Maui I Spring Meeting discusses issues related to the more direct involvement of actuaries on the asset side of the balance sheet.

Description: Financial Accounting Standard Number 91 deals with the calculation of investment income and amortized cost for mortgage backed securities, as well as whole mortgages and callable bonds. The method described in this paper uses a Taylor series to eliminate the storage of all past cash flows, while still providing an accurate FAS 91 adjustment. From Actuarial Research Clearing House 1993, VOL. 3.