Figure $9-2$Suppose the U$.$S$.$ government imposes a $$0\mathrm{.}40$ per pound tariff on rice imports. Figure $9-2$ shows the impact of this tariff. Refer to Figure $9-2.$ As a result of the tariff, domestic producers increase their quantity supplied by$31$ million pounds of rice$\mathrm{.}22$ million pounds of rice$\mathrm{.}15$ million pounds or rice$\mathrm{.}6$ million pounds of rice.