Only undesirable proposals are taken to a caucus

Once a business strategy has been developed:

a) service prices are established b) competition must be identified c) an operations strategy must be formulated d) contracting with external sources must begin e) insourcing will be conducted

A buyer and a seller enter into a purchase and sale agreement. The agreement provides that closing must take place by September 30. A clause states that a party's failure to be ready by a date specified in the contract will constitute a breach of the contract. What is the name of this clause?

A. A habendum clause B. A contingency clause C. A time of the essence clause D. A closing clause