Answer:
rhetorical question
Explanation:
A literary technique can be defined as a deliberate and specific construction or use of language by authors, writers or speakers to create a special effect in their speech or write-up.
The main purpose of a literary technique is to convey more information and enable the readers or listeners have a deeper understanding of the piece.
Some examples of literary technique or device used in a speech are simile, metaphor, allusion, alliteration, foreshadowing, personification, rhetorical question, etc.
An author is able to determine his use of literary technique by measuring how effective it is on the audience or listeners.
A rhetorical question can be defined as a type of question asked by the writer of a literary work without any expectation of an answer. Thus, it is only used for literary effects or to emphasize a point.
In this scenario, The author writes, "Who would lug 1,000 pennies to the movies when they could bring a $10 bill?" Therefore, the literary device he is using is a rhetorical question.