The GDP in this scenario would be Option 3: $1000.
How to get the Gross Domestic product
GDP (Gross Domestic Product) measures the total monetary value of all finished goods and services produced within a country's borders in a specific time frame.
In this case, the spending on painters ($200) isn't part of GDP as it represents a service. However, the bill payments ($1000) for services received are included in GDP as they represent the value of services produced.
Therefore, the GDP in this scenario would be Option 3: $1000.