Roy’s cat eats \dfrac{1}{3} of a can of cat food every morning and \dfrac{1}{4} of a can of cat food every evening. Before feeding his cat on Monday morning, Roy opened a box containing 6 cans of cat food. On what day of the week did the cat finish eating all the cat food in the box?
Answer Choices
A. Tuesday
B. Wednesday
C. Thursday
D. Friday
E. Saturday