1 Assume we have a closed economy, the data you go over it on discussion 1 show the following information for the third quarter of 2020 (assume export = import = net export = 0): National income (excluding net export) = 517,536,000,000 SAR. Consumption equal 222,526,000,000 SAR. Government expenditures equal 140,199,000,000 SAR. Assume that the consumption tax rate is 15% (Value Added Tax) and 20% for capital (investment). Solve for the following (parts a to e) if Saudi Arabia is considered a closed economy: a- Tax revenue. Hint, there are two types of tax; sales tax (VAT) and capital or investment. First, calculate investment to find tax revenue from investment. Add these two together. b- Investment. c- Private saving. d- Public saving and what kind of budget does Saudi Arabia has. e- National saving. f- On a few words; explain how the government could increase investment level using fiscal policy. Question 2 Briefly explain in words how does the value of money decline when inflation increased? You can provide an example if you want