How would each of these be considered in terms of their impact of GDP?

a) Buying a new car.

b) Buying an architect designed house built in 1980.

c) Fitting triple glazed windows to five new homes being built by a developer. d) The government building the new bridge across the Derwent at Bridgewater. e) The government increasing the aged pension.

(Try to go beyond a yes or no answer and consider both direct and indirect impacts and why or why not each is included in GDP).