g) Recorded expense, $17,200; should be $71,200. Type: Approach: select answer Retrospective, no restatement h) Changed measurement method for asset retirement obligations to present value basis instead of undiscounted estimated costs. Type: Approach: select answer select answer i) Changed useful life of a machine based on evidence of wear and tear over time. Type: Approach: select answer select answer Analyze each case and choose the appropriate type of change and approach under type are three options: policy, estimate, or accounting error. under approach there are three options: prospective, retrospective with restatement, or retrospective no restatement. pick one for each