(i) 3. Please answer the following questions [20 points]: a. Into boxes (i) and (ii), write the names of the two characteristics for classifying goods into the four types of goods given in the centre table. Then, write into each of the shaded boxes (ia, ib, iia, iib) yes or no so that the classification of the goods in the table is correct. (ia) (ib) (ii) (iia) Common resource Public good (iib) Private good Natural monopoly