Context: Tommy is deciding whether to plant gardenias or a palm tree in his backyard. He wants to make his backyard more beautiful. But he also wants to leave space for doing fun things.
Suppose Tommy decides to plant the gardenias. Which result would be a cost?
A. Tommy will give up the chance to look at the palm tree. He thinks it would have looked more beautiful than the gardenias.
B. He will save some space. The gardenias will use up less space than the palm tree would have used up.
Select the correct answer from the provided options and reply with the letter associated with it.

A