A farmer filled five of six containers with capacities of 5, 9, 12, 15, 23, and 45 liters with sunflower oil and olive oil. The amount of sunflower oil the farmer put in the containers is 4 times the amount of olive oil.
Accordingly, how many liters is the empty container?\\
A) 5\\
B) 9\\
C) 12\\
D) 15\\
E) 23