The Honest Whore

In the end, the multiple plots are resolved by the "grace"-ful articulation of the Friar and by the clever reasoning of the Duke, the two "choral moments." This, of course, after the wild mixing of genres and the strange and illogical psychological motivations over the previous 80 pages. How do these final two speeches function against the tragicomic structure of the play? What motivated Dekker to use them to conclude this work?