Google bids around $4 billion for Hulu but their deal has special conditions including asking for more content for a longer period of time. Dish, on the other hand, is bidding at $1.9 billion; however, that deal doesn't have and special conditions or agreements.
Google, Dish Made Highest Hulu Bids in First Round (Report) - The Hollywood Reporter
Google, Dish Made Highest Hulu Bids in First Round (Report) - The Hollywood Reporter