Compare two alternatives, A and B, on the basis of a present worth evaluation using i = 13% per year and a study period of 8 years. Alternative B First Cost $-16,000 $-43,000 Annual Operating Cost $-10,000 $-15,000 Overhaul in Year 4 $0 $-3,700 Salvage Value $3,400 $5,600 Life 4 years 8 years