Bottle R contains 100 capsules and costs $6.30. 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?
Choose the correct choice from the following choices.
A) $0.04
B) $0.12
C) $0.05
D) $0.03
E) $0.002
Cost per capsule in R is 6.30/100= 
<gadget id="calculator">6.30/100</gadget>
<output>0.063</output>
0.063   Cost per capsule in T is  2.99/130= 
<gadget id="calculator"> 2.99/130</gadget>
<output>0.023</output>
0.023   The difference is 0.004   The answer is $0.04
<result>A</result>
Bottle R contains 100 capsules and costs $6.30. 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?