the following two (A and B) parts of the following question. Each part is worth 5 marks for a total of 10 marks. Please show your calculations. (A): Suppose the Real GDP of an economy is $480 billion dollars and its unemployment rate is 8 percent. If the natural rate of unemployment is estimated at 6 percent, what is the value of the country's Potential GDP (LRAS) in billions of dollars (according to Okun's Law). ______________________________________________________________________________ ______________________________________________________________________________ (B): Assume that the nominal wage rate increases from $18 to $20.80 per hour, and at the same time the price index increases from 120 to 130. By how much has the REAL wage rate changed? _____________________________________________________________________________ _____________________________________________________________________________