Clint Hill, CEO of Oregano Systems, a software engineering company, holds internal contests on the company intranet to get his engineers to speak up with their ideas for improving the company. Employees vote on their favorites and the winner takes home a cash prize. In this scenario, which of the following approaches does Oregano Systems utilize?
A. Top-down approach
B. Horizontal coordination approach
C. Bottom-up approach
D. Dual-core approach