A survey reveals that, on a small island, initially 40 people have jobs, 10 people are not working but are looking for jobs, and 30 people are neither working nor looking for work. Suppose that 10 of the 30 people who weren't working or looking for work now begin looking for work. There are now 20 people without jobs but looking for work and 40 people working. The unemployment rate: A. rises to 33.3%. B. rises to 50%. C. falls to 25%. O D. Nothing happens to the unemployment rate because these people weren't working before and they aren't working now.Suppose only two countries existed. Country A imported $200 million worth of goods and services from country B. Country B imported $100 million worth of goods and services from country A. Net exports for country _equal A. A; $200 million O B. B; $200 million O C. A; -$100 million O D. B; -$100 million