Which of the following would not be recorded as a credit in the U.S. balance of payments?

A. The Czech Republic closes a deal with Caterpillar Inc. in Illinois for earth moving machines.

B. Wealthy individuals in Iceland buy Alaskan furs.

C. Florida citrus producers, after a particularly severe winter, buy oranges from Mexico to fill their customers' orders.

D. Russia purchases grain from U.S. farmers.