camera manufacturer or a business operator specializing in product repair the maintenance business administrator 20 a launches an internet homepage through which product repair services are offered receives the repair order from the user 10 issues an instruction for product repair to the repair service operator 20 b issues an instruction for delivering the repair item to be repaired and the repaired item to the transport operator 30 and issues an instruction for repair fee collection to the consumer credit service operator 40 in addition the repair service operator 20 b performs the repair work on the product and also provides an estimate on the repair cost and the completion date in the business mode achieved in the variation the maintenance business administrator 20 a does not physically handle either the repair item or the repaired item and instead the repair item is shipped from the user 10 to the repair service operator 20 b and the repaired item is shipped from the repair service operator 20 b to the user 10 it is to be noted that since other aspects of the processing are similar to those in the processing achieved in the embodiment their explanation is omitted as in.