Given the following information, Calculate the accounting rate of return for both machines and the payback period for both Machines. Which one should you invest in? Machine 1 Purchase Cost: $20,000 Salvage Value: $1000 Estimated Life: 5 years Annual Savings: $5,500 Annual Operating Costs: $775 Annual Depreciation: $3,800 30% income tax Machine 2 Purchase costs: $22,000 Salvage Value: $2,000 Estimated Life: 5 years Annual Savings: $5,500 Annual Operating Costs: $650 Annual Depreciations: $4000 30% income tax