The following data pertain to Turk Company's operations last year: 
Turk's return on investment for the year was:
Definitions:
C2-C3 Bond
A covalent bond between the second and third carbon atoms in an organic molecule.
2,2-Dimethylbutane
A branched alkane with the formula C6H14, characterized by two methyl groups attached to the second carbon atom in a butane chain.
Newman Projection
A method of projecting a molecule, showing a carbon-carbon bond axis front to back, displaying the spatial relationships of groups attached to those carbons.
Stable Conformation
The most energetically favorable spatial arrangement of atoms in a molecule.
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