Carl agrees to purchase anna's property, subject to a financing contingency. the contract gives carl 20 days to fulfill or remove the contingency. however, after 20 days he has provided no notice of having fulfilled it or removed it. at this point, what can anna do? a. give carl a notice to perform, informing him that she will terminate the agreement if he does not remove the contingency b. terminate the agreement immediately c. terminate the agreement immediately and retain the good faith deposit d. sue carl for breach of contract.