Given the indifference curve in the above figure, which point is preferred to point a?

Refer to Table 19-27. What is the level of disposable personal income for this economy?

A) $1,080 billion B) $1,010 billion C) $980 billion D) $860 billion

The sales of shoes that include shoelaces is a tie-in sale that most likely

A) greatly increases the shoe producer's profit. B) increases transactions costs. C) increases efficiency. D) None of the above.