One of Washington State's source for irrigation water is snowpack accumulated during winter. When the snowpack melts during spring season, water is allocated towards production of two goods: apples and pear A measure of GDP (which incorporates prices of goods in the economy) is needed to determine the optimal amount of apples and pears produced in the city. Assume that a new study finds that the production of apples helps eliminate pests that affect wheat, another important crop. Using the production possibility frontier and GDP line, illustrate the private production of apples and pears and compare it with the socially optimal level of production of apples and pears. Label your graph completely. Explain your graph