Randi mails an offer to sagan. on june 7, sagan mails an acceptance of randi's offer. randi receives the acceptance on june 10. the acceptance was effective upon dispatch on june 7.

a. True

b. False

The answer is true. As per general rule, the acceptance of the contract is valid once there has been communication. H owever, as per mailbox rule, once the mail has been sent, the acceptance of the offer becomes effective. So the answer to the question is true.