pleas explain all steps and equations used

are ueder can Sileration. Al. A will Salvage To annualy erclusive alternatives Losc$44, 000, Provide annuel berefits of $17 O00, and of &4oo0 at the endl of tre 4 year ife. ALE.8 will Cost &63,000 Provide annua benefits of $ 23, 000 at the end of ts y year life.Analeze these alternahves using IRR, NPV, and Pay back and Salvage $5.000 mm are ueder can Sileration. Al. A will Salvage To annualy erclusive alternatives Losc$44, 000, Provide annuel berefits of $17 O00, and of &4oo0 at the endl of tre 4 year ife. ALE.8 will Cost &63,000 Provide annua benefits of $ 23, 000 at the end of ts y year life.Analeze these alternahves using IRR, NPV, and Pay back and Salvage $5.000 mm