PAGADIAN CITY, Zamboanga del Sur: The Department of Trade and Industry (DTI) on Friday launched a five-day Balik Eskwela Diskwento Caravan (Back-to-School Discount Caravan) in this province. Maria Socorro Atay, DTI provincial director, said the caravan aims to bring the school supplies as well as basic and prime commodities at discounted prices to the doorsteps of low-income earning families in the far-flung areas. Atay said the discount ranges from 10 to 20 percent. The caravan was launched Friday in Barangay Poblacion in the nearby town of Aurora. It will be followed on Sunday in Barangay Poblacion of Sominot municipality. She said the third day of the caravan is on May 19 in Barangay Poblacion, Mahayag; fourth day on May 22 in Barangay Poblacion, Guipos; and fifth day on May 24 in Barangay Poblacion, Kumalarang town.