Please show how to do it on excel and every steps.

The HSIF team allocated 05 to cash, 72 to equity and the rest to fixed income in 2020. It earned 6.9% on the equity and 1.8% on the fixed income. Its bogey earned 48 basis points on cash (10% of the value), 5.5% on equity (60% of the portfolio) and 1.4% on the fixed income portion (30%). How much of the HSIF excess return owed to its asset allocation decisions? (Your answer should be in percent to the nearest basis point. For example, if your answer is 1.02% then enter 1.02 without words and do not enter .0102)