Sue and kevin kellman signed a contract for the construction of a cabin near pinetop. in building the $562,000 cabin, the builder discovered that it had to put the vent for the heating system in the area where the hall closet is located. the result was that the kellman’s had a halfcloset there instead of a fulllength closet that was open to the floor. the kellmans: a. need not pay for the cabin because of this material breach. b. can be compensated under the doctrine of force majeure. c. can be compensated under the doctrine of commercial impracticability. d. can be compensated under the doctrine of substantial performance