please do the equations on paper please.

1. Decide which of the following alternatives is the best. Use incremental benefit cost ratio calculations to determine the answer. Annual... Alternative A Alternative B Alternative C Alternative D Alternative E Benefits $174,000 $136,000 $80,000 $136,000 $89,000 Disbenefits $4,000 $10,000 $8,000 $10,000 $14,000 Costs $100,000 $90,000 $80,000 $70,000 $50,000