Explain the death spiral.

Explain the death spiral. It sounds bad, but should it ever not be prevented? In other words, are there instances where the death spiral could be a good thing? What role does activity-based costing play?In what fundamental ways does activity-based costing differ from the traditional costing methods covered in Module 3? Provide a specific example comparing/contrasting. How can the cost allocation methods in activity-based costing be utilized to target process improvements?