Concept:Zakat on farm produce is known as Ushr. The rate is normally 10% when the farm is watered by natural rain.Explanation:The value of the farm produce is $25,000.00. Since no irrigation cost is stated, the zakat is calculated at the rate of 10%. Zakat payable =10%×$25,000=10010×25,000=$2,500.00.Answer:The zakat payable on farm produce worth $25,000.00 is $2,500.00. Therefore, the correct option is A.