Which of the following is an example of a trade restriction?

Opening trade between two nations would:

A. shift their production possibilities curves outward. B. shift their production possibilities curves inward. C. leave the production possibilities unchanged and increase their consumption possibilities. D. leave the production possibilities unchanged and decreased their consumption possibilities.

If a person is going to borrow $360,000 for a home and pay it off in monthly payments of $4,552.00 for 30 years, the internal rate of return is

A. 15%. B. 0%. C. 5%. D. 10%.