How much is this including tax?What's the sales tax rate?

包括税，这件商品多少钱？销售税多少？

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The Web service also accepts a sales tax rate argument besides the shopping cart information, which is an XML document containing the product IDs and their respective quantities.

除了购物车信息，Web服务还接受销售税率参数，购物车信息为一个包含产品ID及各自数量的XML文档。

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After a tax credit ended for housebuyers, sales of new homes in America slumped by a much-higher-than-expected 33% in May compared with April, to 300,000 at an annual rate.

购房税收抵免取消后，美国新房5月份销售量与4月份相比，大幅下跌33%，远超预期，年增长量为30万套。

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As of August 1, 2012, California had the highest state sales tax rate of 8.25%.

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Comparatively, the typical sales tax rate in St Louis County is roughly 6.3%.

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This would be equivalent to a 30% sales tax rate, as normally calculated (exclusive method).

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