The solid glass award that Jillian was given has a total height of 15 inches as shown. A rectangular pyramid with a base of 6 inches by 4 inches and a height of 15 inches. A rectangular prism with a length of 6 inches, width of 4 inches, and height of 2 inches. What is the total volume of glass used to make the award?
A. 120 inches cubed
B. 152 inches cubed
C. 168 inches cubed
D. 204 inches cubed