Bonus is related to Advantage. Advantage is related to Odds. Odds is a type of Ratio. Productivity is a type of Ratio. 
Contract is related to Deal. Deal is a synonym of Conduct. 
Bonus <--RelatedTo--> Advantage <--RelatedTo--> Odds --IsA--> Ratio <--IsA-- Productivity 
Contract <--RelatedTo--> Deal <--Synonym--> Conduct 