Yummeria Foods Inc. advertises its baking soda by prompting consumers to leave open a box of the product inside the refrigerator to remove food odor. It also advises consumers to keep an open box in all kitchen closets, and to pour down the contents of the box into the kitchen sink every month to freshen the drains. Yummeria Foods is using a $\_\_\_\_\_$ strategy to sell more of its baking soda.

Multiple Choice

market penetration

market development

diversification

product development