Xander interviews Tom for a sales associate position. He offers to hire Tom for a 6-month contract term that will pay him a base salary plus a bonus in the amount of 1.5% of Tom's total monthly sales, payable at the end of each quarter. Tom responds by saying, "That sounds good. We've got a deal. If all goes well in the future, I'd like to discuss the concept of those bonuses being paid monthly."

Which answer choice is correct?

-Tom's response constitutes a rejection and counteroffer.

-Tom's response constitutes a revocation.

-Tom's response constitutes an acceptance.

-Tom's response constitutes a rejection, but not a counteroffer.