Stacy, a Marketing Manager at a Beverage Manufacturing Firm, Conducts

Stacy, a marketing manager at a beverage manufacturing firm, conducts a market research to analyze the sales dip of the company's product, Zeal, in the last quarter. Through research, she understands that there is an immediate customer demand requiring the use of organic ingredients to its cola, Zeal. She discussed with the research and development team and decides to enhance Zeal with the introduction of organic ingredients to it. This new product would fall into the category of _____.

A) new-to-the-world products
B) new-to-the-firm products
C) additions to existing product lines
D) improvements and revisions of existing products