Answer:
The correct answer is b. household production, hygiene, and sanitation.
Explanation:
The eras that Carole Vickers explain are
Era one (1900-1930) focused on household production, hygiene, and sanitation.
Era two (1940- early 1950) focused on household equipment and task management.
Era three (1950-1960) focused on values and decision-making.
Era four (1900-1930s) focused on the systems approach to quality management.