Annually, Shutterstock hosts a hack$-$a$-$thon over the span of $24-$hours. The challenge is designed to allow employees to pursue any ideas they have for the advancement of the organization. This type of challenge encourages collaboration, creativity, and innovation, and most importantly engages employees. This example of a hack$-$a$-$thon represents an organization with a$($an$)\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ design

a$.$

organic

b$.$

vertical

c$.$

mechanistic

d$.$

efficiency

e$.$

boundary spanning