Newt, a Gun Dealer, Offers to Sell a Rare Civil

Newt, a gun dealer, offers to sell a rare civil war musket to Rush, another dealer, for "$15,000, insurance and shipping paid by buyer." Rush responds, "I accept. Insurance and shipping costs divided equally between seller and buyer." The parties

A) do not have a contract since the acceptance violated the mirror image rule.
B) do not have a contract since Rush's response was a counteroffer.
C) have a contract, and the terms of the offeree control.
D) have a contract, and the different terms will cancel each other out.