The South African Reserve Bank raised its main repo rate to 3.75%". 3.1 Taking the above statement into consideration, identify and explain the type of macroeconomic policy being implemented. (12) 3.2 Speculate and motivate the impact that the increase in repo rate would have on the AD/AS curves below: (10) 3.3 Motivate how an increase in repo rate may affect unemployment rates and indicate the type of unemployment most likely to be impacted. (8) 3.4 Propose any two ways in which GDP may be calculated