Currency in Acumatica -- 2

one currency is used throughout Acumatica except in a couple specific spots, I would like the ability to change the Currency in the header of on the following screens from a drop-down to available currencies and show that number in another currency
Adjustments - IN303000- INRegister.TotalCost, INTran.UnitCost, INTran.TranCost
Customer - AR303000 - CustomerBalanceSummary.Balance
Inventory Items - InventoryItemCurySettings.RecPrice, InventoryItemCurySettings.BasePrice, INItemCost.LastCost, INItemCost.AvgCost, INItemCost.MinCost, INItemCost.MaxCost, InventoryItemCurySettings.PendingStdCost, InventoryItemCurySettings.StdCost, InventoryItemCurySettings.LastStdCost
Item Warehouse Details - IN204500 - INItemSite.UsrManualUnitCost, INItemSite.RecPrice, INItemSite.LastStdCost, INItemSite.StdCost, INItemSite.PendingStdCost, INItemSite.LastCost, INItemSite.AvgCost, INItemSite.MinCost, INItemSite.MaxCost
Kit Assembly - IN307000 - INComponentTran.UnitCost, INOverheadTran.UnitCost