Consider Figure 8.1. Assume Greece levies a per-unit tariff of $20 on imports from both Germany and France. As a result of the $20 tariff, Greece's consumer surplus falls by: Figure 8.1 depicts the supply and demand schedules of calculators for Greece, a "small" country that is unable to affect the world price. Greece's supply and demand schedules of calculators are respectively depicted by S G and D G . Assume that Greece imports calculators from either Germany or France. Suppose Germany is the world's low-cost producer who can supply calculators to Greece at $20 per unit, while France can supply calculators at $30 per unit. Figure 8.1. Effects of a Customs Union