SOLVE THIS COWBELL SCHOLARSHIP MATHS QUESTIONS : How many litres of milk were in the bottle?

A bottle of Cowbell Milk is emptied into eight cups, each of which holds 150ml. How many litres of milk were in the bottle? 
a. 1.0 litre
b. 1.2 litres
c. 1.5 litres
d. 2.0 litres
e. 2.4 litres