Author Question: Opportunity cost exists because of A) poverty. B) scarcity. C) greed. D) ... (Read 149 times)

xclash · **on:** Jun 29, 2018

Opportunity cost exists because of

A) poverty.
B) scarcity.
C) greed.
D) self-interest.

Question 2

When income is 15,000, the amount of income taxes owed is 2,000; when income increases to 20,000, the amount owed increases to 3,000. The average income tax rate when a person earns 15,000 is

A) 75 percent.
B) 15 percent.
C) 13.3 percent.
D) 20 percent.