Rupinder, the CEO of Roll-On Pens, finds that vertical hierarchy exists in the organization. Rupinder would like to reduce the stress on this hierarchical structure and give more decision-making ability to the employees. In the context of tall and flat organizations, Rupinder is trying to create a(n) ___ organization. 

a. matrix 

b. informal 

c. decentralized 

d. bureaucratic 

e. adaptive