please help me with this questions.

1.27 If the South African Reserve Bank wants to raise money supply growth, it should ... increase the repo rate and sell securities decrease the repo rate and buy government bonds [3] decrease the repo rate and sell securities 4] increase the repo rate and buy government bonds 28 Which one of the following actions will increase the liquidity deficit in the banking sector? 1] The South African Reserve Bank decrease reserve requirement of banks. The South African Reserve Bank sells government security to commercial banks. A decrease in the repo rate. The transfer from the government tax-loan account with the South African Reserv Bank to the government's account with the banking sector. Time This Year