Answer: $72
Explanation:
Opportunity cost is the cost incurred or benefit foregone by selecting some other alternative which gives the some level of satisfaction.
It is totally depend upon the preferences of the consumers or individuals.
The opportunity cost of seeing Bruce Springsteen is $72(= $134 - $62) that is the difference between actual ticket price and willing to pay for U2 concert.
An efficient portfolio maximizes return for a given level of risk or minimizes risk for a given level of return.
Having an efficient portfolio when preparing a financial planning is undeniably important as this helps you in your decision-making; whether you engage in something while knowing the specific risk of doing that certain action.
Answer:
I think it's a income tax