One of your friend's working on a research related to the Malaysian economy collects following information. * Consumption expenditure= $17 billion * Interest, rent, and profit = $2.5 billion *Government expenditure on goods and services = $7.5 billion, *Net exports of goods and services = $5 billion * Investment (planned) = $1.5 billion. You friend asks you to calculate aggregate expenditure in Malaysia. Since you have learned about the aggregate expenditure approach you agree to help your friend. Based on the aggregate expenditure approach, Malaysia's aggregate expenditure should be........... billion. Answer: