In the ctional closed economy of Borduria, a farmer raises chickens. He sells 5 chickens for $20 each to a fast food restaurant that uses the chickens to make burgers. There are no costs incurred in raising the chickens. Suppose that there is no government in this country. The farmer also uses eggs produced by these chickens and sells them directly to the consumer. He managed to sell 100 boxes of eggs for $5 each. Using the chickens only, the restaurant sells 500 burgers to consumers at the cost of $10. The restaurant pays its workers $400 and has to pay $12U as interest on loans. (a) Using the Expenditure approach, nd the GDP of Borduria. (b) \"mat are the limitations of GDP discussed in our lectures? List them