In general,the mailbox rule is beneficial to:

A) the offeror.
B) the offeree.
C) the courts.
D) third-party beneficiaries.

According to the mailbox rule,properly addressed and dispatched acceptances can become effective when they are dispatched,even if they are lost and never received by the offeror.It protects the offeree's reasonable belief that a binding contract was created when the acceptance was dispatched.