For markets with perfectly elastic supply and perfectly inelastic supply, respectively, the introduction of a tax will most likely result in:Markets with perfectly elastic supply Markets with perfectly inelastic supply （） ①A. A price increase, and the seller bears the tax A price increase, and the buyer bears the tax ②B. A price increase, and supply remains the same No change in price, and the buyer bears the tax ③C. A price increase, and the buyer bears the tax No change in price, and the seller bears the tax
A. ①
B. ②
C. ③
参考答案：C
解析：
Because in markets with perfectly elastic supply, price increases as a result of tax and the seller passes on the tax burden to buyers. In markets with perfectly inelastic supply, sellers maintain the same supply and price but absorb the tax b.