GAUSS8 1998 Problem 22

A cube measures 10\:cm\times10\:cm\times10\:cm. Three cuts are made parallel to the faces of the cube as shown creating eight separate solids which are then separated. What is the increase in the total surface area?
gauss8 1998 22

Answer Choices
A. 300\:cm^2
B. 800\:cm^2
C. 1200\:cm^2
D. 600\:cm^2
E. 0\:cm^2