The skeleton of acetonitrile is shown here. complete the structure

                   N
                   |||
                   C
                   |
         H C H
                   |
                   H

This is how the skeleton of acetonitrile looks like with its bonds and nonbonding electrons. 

Acetonitrile is a chemical compound that is a byproduct of acrylonitrile manufacture. Its molecular formula is CH₃CN or C₂H₃N. It is said to be the simplest organic nitrile and it is a colorless liquid.

If your asking how much altogether for 12 performance the answer will be 98,496.