If the government purchases multiplier equals 3, and potential GDP is $15 trillion with real GDP $13.8 trillion, then government purchases would need to increase by to restore the economy to potential GDP. Select one: a. $0.6 trillion O b. $400 billion O c. $800 billion O d. $1.2 trillionWhich of the following transactions would be included in Japan's current account? Select one: O a. An Australian citizen purchases a new Toyota car made in Japan. b. A Japanese citizen purchases a new Toyota made in Japan. O c. An Australian citizen purchases 100 shares in Japan's Toyota company. d. A Japanese citizen purchases 100 shares of Qantas from Australia