Which scenario shows a manager using human skills to put organizational resources to their best use?

Question $46$ options:

a$)$

Maria uses her marketing knowledge to develop the company's marketing plans.

b$)$

Hai's company sent him to a seminar to learn about total quality management in order for him to better help improve the products his company produces.

c$)$

Ilana, a new product manager, is often tasked with forming interdepartmental teams due to her reputation for turning a group of employees from different departments into a cohesive team.

d$)$

Joseph, a manager in Research and Development, works long hours to help develop new products that customers will find useful.