According to M&M III, when the additional value of the interest tax shield is offset ____________, then the value of the firm will start to _________ and the WACC will start to ___________ as ______ . by expected bankruptcy costs / increase / decrease / more debt is added by higher equity costs / decrease / increase / more debt is added by higher equity costs / decrease / increase / more equity is added by expected bankruptcy costs / decrease / decrease / more debt is added by expected bankruptcy costs / decrease / increase / more debt is added