MMK Group plc has three main divisions: Oil & Gas, Minerals, Power & Industrial. Oil & Gas accounts for 40 per cent of the companys assets and Minerals accounts for 35 per cent of the assets. It has been estimated that the asset betas for these divisions are 1.2, 0.8 and 0.6 respectively. The company employs 30 per cent debt in its capital structure.

REQUIRED: Estimate the beta of MMK Groups equity if the debt is risk-free.

( Please do not copy from other expert answers. Thanks! )