Mary made 20 000 mL of tea for a party, and she served the tea divided equally into 10 pitchers. The leftover is 3 pitchers. How much tea did the guest drank in quarts if per quart is 0.95 litres?

a. 24 kilograms
b. 2.12 quarts
c. 4.24 quarts
d. 6.36 quarts