By how much does Australian GDP change in each of the following scenarios? a) The government increases the childcare allowance to all 3 million families by $1,000. (1.5 points) b) An Australian winemaker purchases a bottling machine from Italy worth $250,000. (1.5 points) c) A trader 0n the stock market sells his shares for $100,000 which he previOusly purchased for $80,000. The. broker who intermediates the trade charges $700 in cornmissions. (2 points) d) A family purchases the neighbouring farm for $200,000 and now directly con- sumes all the produce from the acquired farm (worth $20,000) which it had previously purchased from the neighbour. (2 points)