Last year, households in a small nation purchased $500 million of domestic goods and services, $100 million on imported goods, and $25 million on new homes. Domestic firms invested $100 million in new capital, both to replace $50 million in depreciated capital as well as to invest in new capital. The government provided direct health services to the residents in the amount of $50 million, another $50 million in educational programs, and transferred $50 from high income households to poor households in the form of welfare. Foreigners purchased $75 million of domestically produced goods. Assuming the nation produced no other goods or services, what is the country's gross domestic product