Sunshine Cell Phone Company offers to buy a laser printer, with a case of paper and an extra cartridge, from Office Products, Inc. (OPI), for $200. Paul, OPI's representative, says, "Okay, but no paper and no extra cartridge." Paul has

a. accepted the offer.
b. made a counteroffer without rejecting the offer.
c. rejected the offer and made a counteroffer.
d. rejected the offer without making a counteroffer