cant seem to figure this out. please help

the question didnt gave a discount rate

141 142 143 Question 13 144 Assume the following: 145 Equipment purchase 146 Depreciation period in years 147 Annual labour savings due to machine purchase years 1 to 5 149 Salvage value of machine at the end of year 5 $ S $ (100,000) 5 18,000 9,000 149 150 Calculate the NPV of the project 151 141 142 143 Question 13 144 Assume the following: 145 Equipment purchase 146 Depreciation period in years 147 Annual labour savings due to machine purchase years 1 to 5 149 Salvage value of machine at the end of year 5 $ S $ (100,000) 5 18,000 9,000 149 150 Calculate the NPV of the project 151