Dunn Manufacturing is considering the following two alternatives. The cost information for the two proposals for replacing an equipment are provided are in table below. Machine X Machine Y Initial cost $120,000 $96,000 Benefits/year $20,000 for the first 10 $12,000 per year for 20 years. years and $9,000 for the next 10 years Life 20 years $40,000 $20,000 Salvage value MARR 8% Reference: Case Study 5 If machine Y has no salvage value, what would be the NPW of machine Y"? O $19,891 $20,626 $23,478 O $21,816