李某在一次福利彩票抽奖中,花1000元抽中一辆价值300000元的“别克”牌轿车,外加500000元现金。个人所得税税率为20%。李某应缴纳个人所得税金额为()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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