Question: Which of the following is a correct statement regarding the time for performance of a land sale contract? Question options: a) A land sale contract is not required to contain the time for performance of the promises made by the parties. b) The parties to a land sale contract can agree to the time performance is to occur, but are not required to do so. c) If the parties fail to specify a time for performance of a land sale contract, the courts will infer a reasonable time. d) All of the above.