Question 1
You have decided that you want to attend a costume party as Iron Man. You estimate that it will cost $40 to assemble your costume. After spending $40 on the costume, you realize that the additional pieces you need will cost you $25 more. The marginal cost of completing the costume is
◦ $15.
◦ $25.
◦ $40.
◦ $65.
Question 2
The concept of opportunity cost
◦ is relevant only to economics.
◦ can be applied to the analysis of any decision-making process.
◦ applies to consumers but not to firms.
◦ refers only to actual payments and incomes.