Managerial Accounting is concerned with providing information to managers so they may make business decisions that satisfy customers while continuously monitoring costs and improving efficiencies. Some reports provide timely updates on key indicators while others investigate problems such as declined profitability. Please list a report or activity you learned about in Managerial Accounting which would be useful if implemented in either 

a) a current or past place of employment

b) your personal life. Describe how the report would help in your job or personal life.