What categories of "nice to have" activities resulted?

1.  
2. What items made their decisions more challenging?
3.  
4. The article talks about rebalancing the work that is managed in-house and work that is contracted out; provide examples of activities that were reviewed.
5.  
6. What critical attributes are necessary to make sure that a ZBB is embraced?

Case Study Zero-Based Budgeting at Shell: https://www.strategy-business.com/article/11402