5. In a particular year, XYZ pension fund earned a return of 15 percent by making the following real estate investments in the following risky assets: Apartments Industrial Office Retail Apartments Industrial Weight 30% 40% Office Retail 20% 10% The returns on the NPI benchmark portfolio was 8.3%, calculated as follows: Return 14.67% 16% Weight 26% 24% 33% 17% 10% 6% Return 14% 15% 1.44% 3.6% Determine the contribution of asset allocation and selection across the property types to the total return.