Which ones of the following are not stock variables? O a. FDI inflows into Bolivia in 2022 O b. Annual Interest payments on Japanese government Debt held by foreigners O c. An individual's credit card debt at the end of August 2022 O d. The growth rate of the stock price of Rio Tinto today O e. Total Public Debt of the State of South Australia before the establishment of the Federation O f. The Net International Investment Position of Vietnam at the end of June 2021 O g. Total number of immigrants living in Canada today