Use the green line (triangle symbol) to show the supply curve in this market before the budget deficit. Then use the purple line (diamond symbol) to show the supply curve after the budget deficit. Market for Foreign-Currency Exchange Initial Supply Supply with Deficit -20 -15 -10 -5 0 5 10 15 20 10 8 6 4 2 0 REAL EXCHANGE RATE QUANTITY OF DOLLARS (Billions) Demand