parentheses with terminal punctuation
The period inside or outside the parentheses.
If the whole sentence stands inside the parentheses, put the period inside: (The appendix came later.) If the parentheses sit inside another sentence, put the period outside: She filed the brief (and the appendix).
Examples
UseHe left at noon. (The truck was already gone.)
UseHe left at noon (with the logs).
AvoidHe left at noon (with the logs.)