Ricardo buys a dental care kit from Sobreno's, a retail store.

Ricardo buys a dental care kit from Sobreno's, a retail store. The kit contains mouthwash, toothpaste, floss, tongue cleaner, and toothbrush in individual boxes with the manufacturers' labeling. The mouthwash comes in a 50-ounce bottle, the toothpaste in a 4-ounce tube, the floss in a small pack, and the tongue cleaner and toothbrush in anti-bacterial wraps. Which of the following from the scenario is a primary package?