A5. What are the main components of 'investment' in the context of aggregate demand? (2 marks) Which of the following would be included as investment? (1 mark) Pema buys some shares in Woolworths. Georgina buys a second-hand car from her neighbour that she uses to make home deliveries for her florist business. The local Pizza Hut instals a new oven. What are some of the main macroeconomic determinants of investment? (2 marks)