An Australian wool farmer sells $10,000 worth of raw wool to an Italian mill. In the same year, the Italian mill sells some processed yarn for $2000 to an Australian yarn shop, which then sells them to consumers in Australian for $3000. The consumers pays $200 (in addition to the yarn) to a courier service for delivery.
How do the above transactions affect Australia's GDP in that year?
Decrease Australia's GDP by $5200.
Increase Australia's GDP by $3200.
Increase Australia's GDP by $11,200.
Increase Australia's GDP by $12,800.