Kevin is a top-level manager at an advertising firm. He has many years of varied experience and he spends most of his time making strategic decisions about how to use the company's resources. On which management function does he spend most of his time?

Kevin spends most of his time on planning

Explanation:

Planning is considering the activities that an organization needs to undertake to achieve its objectives as well as efficient and effective utilization of resources in carrying out those activities.

Efficiency and effectiveness are very important because the organization is in business in order to maximize the wealth of its founders, which can only be achieved by making sure that organization avoids wastefulness  while also deploying the least possible resources in a given circumstance

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