were short comedic plays that introduced real characters who were more fully developed than characters in allegories. These short plays helped to the mood in the midst of serious, instructive plays

Which sentence is punctuated correctly? the shoes normally cost 40 dollars, however; we got them on sale. the shoes normally cost 40 dollars however we got them on sale. the shoes normally cost 40 dollars, however, we got them on sale. the shoes normally cost 40 dollars; however, we got them on sale.