The Happy Land is an isolated island with three sectors: agriculture, manufacturing, and services. This year, the total revenue for the service sector was $25 million. The total revenue of the agricultural sector was $20 million, and its output was sold to the manufacturing and service sectors. The total revenue for the manufacturing sector was $30 million. The total consumption and investment expenditure was $40 million. Explain whether you have enough information to compute the GDP of Happy land using the three approaches. If yes, what is the GDP? If not, what information would you need for each approach? A4. Suppose there are only three countries in the world: country A, B and C. Suppose there is an increase in the demand for goods produced in country A compared to country B. Discuss what will happen to the exchange rate and foreign reserves in country B. A5. What are the three features of an economic recession? Given one example of a fiscal policy that can help to bring the economy out of recession