Shaken by the terrorist attacks against his mead hall, Hrothgar agreed to sell it to Beowulf for 800 pounds. To seal the deal, Beowulf paid Hrothgar a down payment of 100 pounds. When the government announced a program of state-subsidized terrorism insurance, Hrothgar realized he had made a bad deal and breached the contract. It was determined that the fair market value of the mead hall was 1200 pounds.

How much is Beowulf entitled to recover in damages?