Subject: mathqa
Question: bottle r contains 250 capsules and costs $ 5.25 . 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 ?
Option: 
A: $ 0.05
B: $ 0.25
C: $ 0.03
D: $ 0.002
Answer: D