Verizon offers to buy a laser printer with a case of paper and an extra cartridge from Office Depot for $200. In response to the offer, Pam, Office Depot's representative says "okay, but no paper and no extra cartridge." Pam has a. rejected the offer and made a counteroffer. b. made a counteroffer without rejecting the offer. c. accepted the offer. d. rejected the offer without making a counteroffer. e. formed a valid but unenforceable contract.