The following equations describe the eeonomyr in Country A in 2019. Consumption C = 1000 + 0.6Yd 4001" Investment 1 = 250 Sr Government spending G = 500 Exports X = 1500 Imports M = 500 + 0.4V Income tax rate I: = 0.2 Money demand Md = 1000 250i Money supply Ms = 985 Expected ination rate rte = 0.05 where Yd is disposable income, i is nominal interest rate, and r is the real interest rate? a. What is the equilibrium nominal interest rate in Country A in 2019? Explain your calculations