The youngest of zach and tuila's three children has just started kindergarten. zach and tuila have had to change their morning and bedtime routines, child-care arrangements, and discipline practices, and the family's income has suffered as a result of this shift, yet they are happy to make these changes for their children. these changes reflect the fact that

Zach and Tuila are demonstrating generativity.

Explanation:

Generativity, a concept first used by Erik Erikson, it's a care or concern for guiding the next generation. In the exercise, Zach and Tuila are parents that have a care for their children: even if they had to change their lifestyles, both economical and daily, they do it happily given that they know that their children will be taken care off. Therefore, they are demonstrating generativity.

a is the final ! : )