if(price1 == null) {
 price1 = 0;
      }
if(price2 == null){
price2 = 0;
      }
if(price3 == null) {
 price3 = 0;
      }
if(unit!=null&&(unit.trim().equals("KG")||unit.trim().equals("ǧ¿Ë")||unit.trim().equals("kg")||unit.trim().equals("¹«½ï"))) {
    price1 = price1 / 2;
    price3 = price3 / 2;
    price2 = price2 / 2;
    unit = "500g";
}
return ["price1": price1, "price3": price3, "unit":unit, "price2":price2 ]