A store goes to the apple producing area to buy apples at a price of 1.20 yuan per kilogram. The distance from the place of origin to the store is 400 kilometers, and the shipping fee is 1.50 yuan per ton of goods per 1 kilometer. If the loss in the transportation and sales process is 10%, how much should the retail price be per kilogram if the store wants to achieve a 25% profit margin?
某商店到苹果产地去收购苹果，收购价为每千克1.20元．从产地到商店的距离是400千米，运费为每吨货物每运1千米收1.50元．如果在运输及销售过程中的损耗是10%，商店要想实现25%的利润率，零售价应是每千克多少元？
<result>2.5</result>