Table 1: Central Government Budget Expenditures and Revenues 1. In Table 1 , budget estimates and realization results of central goxernment budget expenditures and revenues according to economic classification and GDP are given. Answer the following questions according to Table 1 . a) Calculate the budget balance according to the 2017 realization results. b) Calculate the primary surplus rate according to the 2017 realization results. c) Calculate the ratio of tax revenues to budget interest expenses according to the 2017 realization results. d) Calculate the deviation between the actual and budgeted amounts of budget expenditures in 2017 in terms of current expenditures, investment expenditures and transfer expenditures categories