Which of the following hypothetical headlines is related to Managerial Accounting? "Company ABC implements strategies to attract more high-income customers to boost performance for its fuxury car segment, which has generated about half its profit from 20% of its customers in the past few years." "Company DEF's quarterly financial reporting fosters investor confidence in its business performance:" "New tax regulations impacting small business owners" "Company XYZ faces allegations of violating GAAP in SEC fllings." For the situation described below, which managerial accounting tool would be the most appropriate/helpful? Situation: Company Z is a manufacturing company. Recently, the production manager received complaints that he didn't properly allocate the company's workforce, resulting in excessive labor hours per unit. To further investigate this issue, the production manager needs to know how much the actual labor cost per unit produced exceeds the budgeted number. The most appropriate tool for him to utilize, from those listed below, is: Variance analysis CVP analysis Master budgeting Categorizing costs as fixed and variable cost Differential Analysis Activity-based costing system Traditional job-order costing