4. The (ficTiTious) naTion of Pecunia had a currenT accou nT deficiT of $1 billion and a financial accounT surplus of $500 million in 2021 . Assume There are no errors and omissions or capiTal accounT TransacTions. a) WhaT was The overall balance of paymenTs of Pecunia in 2021? WhaT happened To The counTry's neT foreign asseTs'cJ b) How did The Pecunian cenTral bank's foreign reserves change in 20218 How would This socalled \"official inTervenTion" show up in The balance of paymenTs accounTs of Pecunia? 4