Suppose that Rosa is considering migration to another country. To move, she will have to spend $6,000 on transportation and $5,000 in application and other processing fees. Rosa's stream of future earnings in her home country is $600,000. She expects to earn a stream of future earnings of $900,000 in another country. Based on this information, Rosa's implicit cost of migrating is

Multiple Choice

• $11,000.
• $600,000.
• $300,000.
• $611,000.