Before fire season this year in California, Mt. Torch Wildfire (a private contractor that provides firefighting services) entered into a contract with the U.S. Forest Service to provide firefighting services in Northern California from July - October. Before Mt. Torch Wildfire starts to work, the market price for fire retardant rises 1.2%. Mt. Torch Wildfire informs the U.S. Forest Service that due to the added cost it will not perform their deal. Mt. Torch Wildfire's contractual obligation to the U.S. Forest Service is Group of answer choices

A. Discharged due to impossibility of performance.

B. Discharged due to frustration of purpose.

C. Discharged due to commercial impracticability.

D. Breached and Mt. Torch Wildfire. will be liable;