What did we learn from "the gun" and "the problem avoidance" best practice?

Group of answer choices

When one rewards a person for solving a problem at work, be generous with the reward so others will see the value and accomplish more as well.

When one rewards a person for solving a problem at work, be careful not to reward someone who might have contributed to the creation of the problem.

An effective and efficient manager needs to primarily focus on problems that have reached a critical level.

It's important for managers to work problems on their own since problem solving is their primary responsibility.