PRICE CEILING. An employee of the Department of Trade and Industry-Antique checks the prices of basic commodities at a retail store in San Jose de Buenavista on Dec. 24, 2021. As the province is under a state of calamity, an automatic price ceiling is in effect based on November prices. (Photo courtesy of DTI-Antique) SAN JOSE DE BUENAVISTA, Antique - The Department of Trade and Industry (DTI) conducts daily price monitoring on basic commodities in establishments covered by automatic price ceiling (APC) under a state of calamity. Lynna Joy Cardinal, DTI-Antique information officer, said in an ...