The correct answer is "(Smith 179)".
The MLA in-text citation format comprises the author's last name and the page number of the author's work being referred to. These elements MUST NOT be separated by a comma or any other punctuation mark.
The option "(Smith 2015)" could be considered correct provided the author's work is 2015 pages long or more. It is most likely this number indicates the publication year of the author's work, rather than the page number. Therefore, this option is discarded.
<span>The Second Act begins much like the first act, but three years later on Emily and George's wedding day. Dr. and Mrs. Gibbs talk about how young the couple are, and what their own marriage was like in its early days. George goes next door to visit Emily, but her parents prevent the bridegroom from seeing his bride; he chats awkwardly with Mr. Webb about the value of marriage.
hope this helped.</span>
Answer:
Readers can understand the price of the product being sold
