Kaia, a manager, studied the performances of the various business units of her organization. After making an assessment, Kaia came to the conclusion that the overall costs of the organization can be reduced by integrating the functions of two of the business units. This scenario illustrates Kaia's $\_\_\_\_\_$ skills.

a$.$ time management

b$.$ social

c$.$ technical

d$.$ interpersonal

e$.$ conceptual