Concept:Zakat on money and other capital assets is payable at the rate of 2.5%, which is equivalent to 401 of the total amount.Explanation:The amount on which Zakat is to be paid is $10,000,000.It is assumed that the nisab is reached and one lunar year has passed.So, Zakat payable =2.5% of $10,000,000.This gives 10,000,000×0.025=250,000.Hence, the Zakat payable is $250,000.Answer:Option A: $250,000.