Step 1: Understanding controlling techniques. 
  
Controlling techniques are the tools and methods used by managers to ensure that an organization is on track to achieve its goals. These techniques include break-even analysis, budgets, and managerial audits. However, the cash flow statement is a financial statement, not a controlling technique. 
Step 2: Analyzing the options. 
  
(A) Break-even analysis: This is a controlling technique used to determine the point at which revenues equal costs. 
  
(B) Cash flow statement: Correct. The cash flow statement is a financial statement, not a controlling technique. 
  
(C) Budget: This is a controlling technique that helps in planning and controlling financial resources. 
  
(D) Managerial audit: This is a controlling technique used to assess the effectiveness of management decisions. 
Step 3: Conclusion. 
  
The correct answer is (B) Cash flow statement, as it is a financial statement, not a controlling technique.