Mangaluru, March 18 Prices of areca and coconut on Wednesday.Areca (per quintal)Old Areca: Rs 36,000 to Rs 53,000, model: Rs 44,500.New Areca: Rs 30,000 to Rs 47,500, model Rs 32,000.Koka: Rs 25,000 to Rs 37,500; Model: Rs 31,300.Coconut (per thousand)1st quality: Rs 30,000 to Rs...