Sparkling drink COCA-COLA ZERO, 850 ml or Carbonated drink COCA COLA ZERO, 500 ml?

Energy 0 kcal 0 kcal
Fat — 0 g
of which saturates — 0 g
Carbohydrate — 0 g
of which sugars — 0 g
Protein — 0 g
Salt 0 g 0 g

Figures from the product labels. Green is the better value.

Sparkling drink COCA-COLA ZERO, 850 ml
Sparkling drink COCA-COLA ZERO, 850 ml
0 kcal
850 ml
Carbonated drink COCA COLA ZERO, 500 ml
A
Carbonated drink COCA COLA ZERO, 500 ml
0 kcal
Sat. fat 0 g Sugars 0 g
500 ml