The answer is: one
Approximately, motor vehicle crashes made up around 18% of death on that age group (since younger people are much less likely to die from illness). A large portion of those death are strongly correlated to driving under influence of alcohol or taking away attention from the road while driving (such as using phone)
An informal work place would most likely have flexible hours- the other options refer rather to a formal work place, that is one which has strict rules and would punish the worker for not complying with them.
The way goods and services are produced, distributed, and consumed can be subsumed as economy!
