International Journal of Finance and Accounting ISSN 2518-4113 (online) Vol.8 Issue 2, No.4. pp. 71 - 84, 2023 www.iprjb.org 1 The Moderating Role of Treasury Bills and Bonds Allocations on the Relationship between Systematic Risk and Investment Portfolio Performance of Pension Schemes in Kenya Karen Kandie, Dr. Joseph Macheru and Dr. Cliff Osoro