Table 5 Main variables of the financial subsystem.
Symbols | Description | Unit | Type |
|---|---|---|---|
\({P_a}\) | Accumulated profit | 104 RMB | Level |
R | Sales revenue | 104 RMB/year | Rate |
C | Total costs | 104 RMB/year | Rate |
K | Fixed costs | 104 RMB/year | Constant |
\({C_p}\) | Operation costs | 104 RMB/year | Auxiliary |
\({P_g}\) | Gold price | RMB/g | Auxiliary |
\({S_t}\) | Business tax and associate charges | 104 RMB | Auxiliary |
\({C_o}\) | Overheads | RMB/t | Constant |
\({C_s}\) | Sales expenses | RMB/t | Constant |
\({C_f}\) | Tonne cost of ore | RMB/t | Auxiliary |
\({C_g}\) | Gram of gold cost | RMB/g | Auxiliary |
\({C_{{m_i}}}\) | Unit mining cost i | RMB/t | Auxiliary |
\({C_h}\) | Unit ore processing cost | RMB/t | Auxiliary |
\({g_t}\) | Tailing grade | g/t | Constant |
\({C_d}\) | Tailing disposal cost | 104 RMB/year | Auxiliary |
\({C_d}^{o}\) | Unit tailing disposal cost | RMB/t | Constant |
\({C_u}\) | Comprehensive utilization cost of tailings | 104 RMB/year | Auxiliary |
\({C_u}^{o}\) | Unit comprehensive utilization cost of tailings | RMB/t | Constant |
\({P_u}\) | Comprehensive utilization profit of tailings | 104 RMB/year | Auxiliary |
\({P_u}^{o}\) | Unit comprehensive utilization profit of tailings | RMB/t | Constant |