NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
formatter.numberStyle = NSNumberFormatterCurrencyStyle; //NSNumberFormatterDecimalStyle;
NSString * awardFloatStr = [NSString stringWithFormat:@"%0.2f",[[dict objectForKey:@"awardMoney"] floatValue]];
NSString *string = [formatter stringFromNumber:[NSNumber numberWithFloat:[awardFloatStr floatValue]]];