Answer:
15.28%
Explanation:
Net Profit:
= Saving of Labor & other Costs - Maintenance Cost of Machine - Depreciation On Machine (150,000 / 16 Year)
= $50,000 - $20,000 - $9,375
= $20,625
Initial Investment:
= Cost of new Machine - Salvage value of old machine
= $150,000 - $15,000
= $135,000
Simple Rate of Return = Net Profit ÷ Initial Investments
= $20,625 ÷ $135,000
= 0.1528 × 100
= 15.28%