Could you help me with the following questions on "urbanization"?

3. (L) Explain the four terms in the equation below, and why this equation has to be true by definition. Explain the assumption that allows us to use this equation to determine the agricultural employment share, and explain two mechanisms that drive down agricultural employment as countries get richer: La/L = Ea/E X dala x w/Wa. 4. (S) The graph below shows how capital per worker in agriculture versus the rest of the economy varies as a function of GDP per capita. Discuss what this means for agricultural employment using the equation La/L = Ea/E X Cala x w/Wa. 38-400070 191080.0 95010. Capital stock (int'l prices) 48050.0 24600,G 12090 0 Sector 6000, K/LIE 3000.0 1500 0 K/L nomay 750 0 2000 4006 8000 16060 32000-6-4000 128050 GDP per worker