George had many perishable ingredients of organic origin to make the sandwich. We can see this when he says he planted and harvested all the vegetables necessary to carry out the project.
He probably needed conservation processes and equipment that would keep these products good during the six months of project execution. George did not build the conservation equipment, nor did he create the conservative methods that the equipment uses, which shows how unlikely he was to do the project completely on his own.
The correct answer for the question that is being presented above is this one: The key idea in this passage that affects whether or not the library can be open more often is that "<span>The library had been asked for months to expand its hours."</span>