Information processing apparatus

The present invention determines a method for purchasing a rear-mounted component in accordance with the payment status of a lease fee. A control unit (21) of an information processing device (2) that accepts an order of a component (12) of a vehicle (10) that has been attached to a user (11) and that has been signed with a rental contract executes the following processes: acquiring information relating to the rental contract of the vehicle (10) signed by the user (11); accepting designation of the component (12) from the user (11); and presenting a payment method for the component (12) to the user (11) on the basis of the payment status in the lease contract. 本发明决定与租赁费用的支付状况对应的后安装部件的购入方法。受理后装配于用户(11)签订租赁合同的车辆(10)的部件(12)的订购的信息处理装置(2)的控制部(21)执行以下处理，即：取得与由用户(11)签订的车辆(10)的租赁合同有关的信息；从用户(11)受理对部件(12)的指定；以及基于租赁合同中的支付的状况，向用户(11)提示针对部件(12)的支付方法。