Consider the following equation: real GDP real GDP average hours worked X X person hour worked worker Spain's immigration rate is 7.8 per one thousand inhabitants; Iceland's is 4.0 (source: CIA World Fact Book). Which country do you suppose has higher labour productivity? Select one: O a. Iceland because the lower immigration rate means more GDP to be shared among people. 10 O b. Likely close to each other. O c. Spain because the higher immigration rate increases employment per person. Finis