A woman bought $$5\ \text{kg}\ 640\ \text{g}$$ potatoes, $$3\ \text{kg}\ 37\ \text{g}$$ onions and $$6\ \text{kg}\ 8\ \text{g}$$ tomatoes. She found $$2\ \text{kg}\ 45\ \text{g}$$ tomatoes rotten and returned these to the vegetable vendor. The weight of the vegetables she took home is

A

$$13.360\ \text{kg}$$

B

$$12.640\ \text{kg}$$

C

$$13.460\ \text{kg}$$

D

$$12.973\ \text{kg}$$