A soft drink company had 6000 small and 10000 big bottles in storage. If 12% of small15% of big bottles have been sold, then the total bottles remaining in storage is  Choose the correct choice from the following answers:
A) 15360  B) 13780  C) 15060  D) 14930  E) 16075

Rationale: "6000 + 10000 - ( 0.12 * 6000 + 0.15 * 10000 ) = 13780 . answer : b ."
Answer: B