Kamala has three cylindrical containers, each with radius 20 cm that she wants to fill with grain. If her bag of grain contains 100 kg grain, and she fills all three containers to a height of 70 cm, how much grain will be left in the bag, if 1 kg grain occupies 3000 $$cm^{2}$$ space? (Use $$\pi=\frac{22}{7}$$)

A

88 kg

B

50 kg

C

58 kg

D

12 kg