Which of the Following Would NOT Be an Opportunity Cost

Multiple Choice

Which of the following would NOT be an opportunity cost of fighting the war in Iraq?

A) The $5 billion per month spent on research to cure breast cancer.
B) A $5 billion per month cut in income taxes.
C) A $5 billion per month investment in high speed rail systems between 12 major cities in the country.
D) The $5 billion per month cost of fighting the war.
E) A $5 billion per month program that invested in low-income housing across the country.