Need help in 3hrs

Discussion 1

Explain a situation you have observed (or read about) in which a firm made a decision considering irrelevant costs or did not consider relevant costs. What was the outcome of the decision, and what could have been done differently?

Discussion 2 

Explain why pricing and production are extent decisions and not decisions that should be tackled with break-even analysis. Does the same apply for investment decisions? Provide a rationale to support your response.