Bottle R contains 350 capsules and costs $6.25. Bottle T contains 130 capsules and costs $2.99. What is the difference between the cost per capsule for bottle R and the cost per capsule for bottle T?
Options:
A) $ 0.25
B) $ 0.12
C) $ 0.0052
D) $ 0.003
E) $ 0.002

Rationale: "cost per capsule in r is 6.25 / 350 = 0.0178 cost per capsule in t is 2.99 / 130 = 0.023 the difference is 0.0052 the answer is c"
Answer: C