A hard mask composition includes a solvent and an aromatic ring-containing compound represented by the following Chemical Formula 1:. The method includes the step of determining the total return, risk-free return and common factor return associated with the asset over the performance period. A casing surrounds and encases the chassis so that the ink supply arrangement is unable to be accessed without destruction of the casing. The inhalation device also includes an improved implement for puncturing the receptacle, requiring less force and experiencing fewer failures. While the development member is rotating, the processor receives the measured currents and computes toner concentration using the respective received currents and the pixel data. The second cover has a second curved portion with an exterior surface that is curved around the longitudinal axis.