Problem 6 illustrates changes to an imaginary country's economy. This country makesjust two categories of goods, agricultural goods and manufactured goods. a.) Draw a production possibilities curve with \"Manufactured Goods\" on XELXiS and \"Agricultural Goods\" on the yaxis. A dramatic improvement in machinery (capital equipment) has increased the productivity of both farmers and factory workers by 35%. Shift the PPC to illustrate this change. Drmv an arrow to illustrate the direction ofthe change. b.) Draw a production possibilities curve with \"Manufactured Goods\" on xanis and \"Agricultural Goods\" on the yaxis. Global warming has decreased the productivity of all farmland by 30%. Shift the PPC to illustrate this change. Draw an arrow to iifusrme'e the direction ofrhe change. 0.) Draw a production possibilities curve with \"Manufactured Goods\" on X-ELXiS and \"Agricultural Goods\" on the yaxis. A surge in immigration brings many new skilled manufacturing workers into the economy and reduces the cost of manufactured goods by 20%. Shift the PPC to illustrate this change. Brew an arrow in ittwtrcze tire direction ejrrie change