1. Using a 10% interest rate, determine which alternative, if any, should be selected, based on net present worth (NPW). Use common multiple method ( 8 years). a) NPW(A)=$683;NPW(B)=$504. Select B b) NPW(A)=$504;NPW(B)=$683. Select A c) NPW(A)=$698;NPW(B)=$604. Select B d) NPW(A)=$783;NPW(B)=$504. Select A