Answer:
Personal Opportunity Cost - Spare non drive time sacrifised 
Social Opportunity Cost - Fuel efficiency (high pollution), Road Traffic (Congestion issues). 
Explanation:
Opportunity Cost  is the cost of next best alternative, foregone while choosing an alternative. Bill can commute either by bus, or by self drive. 
If Bill drives his car, opportunity cost for him is - the spare time sacrifised, that he could have used while car drive in some other activity (eg reading, listening music). 
Opportunity Cost for society is - the fuel utilisation & road traffic management  efficiency sacrifised, by using private instead of public transport. This leads to more pollution, more congestion on roads. 
 
        
             
        
        
        
The correct answer is subculture
The notion of subculture is quite common in sociology and anthropology. The concept is used to refer to a group of people, usually a minority, with a set of specific characteristics (behaviors and beliefs), which represents a subdivision within a dominant culture of your community.
In order for us to better understand the concept of subculture, it is first important that we know what culture means. And for that we must make an analysis as to the broader notion of that term.
 
        
             
        
        
        
Answer: controlled processes.
Explanation:- Controlled Processes are processes in an individual’s mind that require a great deal of a person's mental resources. Generally, controlled processing is best performed when only one controlled activity is taking place.
However, the scenario above best illustrates Micheal state of focused awareness best illustrates the idea of controlled processes.