Humor and Suspense in the text is driven by the largely sarcastic voice of the narrator.
Step-by-step explanation:
The tale is a classical retelling of an old myth of Midas and his blessing turning into a cruse.
It is told with zest and excitement and a sly tone by an unnamed narrator who is believed to be authorial voice of the book.
On the onset itself there is a prime example of what we are looking for.
''and he had a little daughter, whom nobody but myself ever heard of, and whose name I either never knew, or have entirely forgotten.''
Here the humor derives from the fact that the author does not know such an important piece of information.
The element of suspense can be seen from this quote of the book:
Midas called himself a happy man, but felt that he was not yet quite so happy as he might be.
This part of the tale foretells what is to come while keeping the audience in suspense.
It shows that he will be greedy but has not so revealed it yet.