Just as he didn't enjoy Kirk drinking rum every meal and/or continuously throughout the day, Spock didn't particular agree with him pushing the option on the rest of his crew. He did not voice his opinion, instead continuing to eat his fruit.

"There are those items we recovered from the cove north of here." A simple reminder as he progressed through his breakfast to the eggs. "Do you wish to sell them immediately upon reaching the port, or some time later?"