Which of the Following Equations Will Deseasonalise a Time Series $\times$

Multiple Choice

Which of the following equations will deseasonalise a time series, where T, C, S and R are respectively the trend, cyclical, seasonal and random variation components of the time series?

A) (T $\times$ C $\times$ S $\times$ R) / T = C $\times$ S $\times$ R.
B) (T $\times$ C $\times$ S $\times$ R) / C = T $\times$ S $\times$ R.
C) (T $\times$ C $\times$ S $\times$ R) / S = T $\times$ C $\times$ R.
D) (T $\times$ C $\times$ S $\times$ R) / R = T $\times$ C $\times$ S.