THE Business Competition Supervisory Commission (KPPU) is investigating a cartel suspected of setting tariffs for SMS text messages. This move deserves support. The problem is that SMS charges in Indonesia, at Rp250 to Rp350, are very high, despite the fact that according to an investigation by the Indonesian Telecommunications Regulatory Agency (BRTI), the production cost of sending an SMS text is only Rp76. If the promotion costs and company pr