The data for Spain suggests that Okun's Law can be written as y = -0.3147x +1.2821, where y is the change in unemployment rate and x is the GDP growth rate. What is the predicted change in unemployment if GDP grows by 2 per cent? 0 Unemployment increases by 1.9115 percentage points. O Unemplyoment increases by 1.2758 percentage points. 0 Unemployment increases by 0.6527 percentage points. 0 Unemployment increases by 1.2192 percentage points