Final answer:
Roni Harris is studying in the Business department of her university, with interests in product marketing and sales, which are sub-fields under the broad category of a Business degree.
Step-by-step explanation:
Roni Harris is a college student who initially considered majoring in Accounting but later discovered an interest in product marketing and sales.
Based on the information provided, Roni Harris is studying in the Business department of her local university. While she may be taking courses focused on product marketing and sales, these subjects are typically concentrations or tracks within a broader Business degree program.