Year    Demand Qty. (lac tonn) Sales (in crores)    Price         Supply Qty.
(lac tonn)
2003-04                    32.27           699.82   21.6863960335                       37
2004-05                    37.23           745.11   20.0136986301                       38
2005-06                    46.62          1013.35   21.7363792364                     47.1
2006-07                     56.1          1581.69   28.1941176471                     56.7
2007-08                    57.82          2021.35    34.959356624                     58.5
2008-09                    65.28          2471.23   37.8558517157                     65.3
2009-10                    79.54          2821.25   35.4695750566                     80.3
2010-11                    72.55          2644.69   36.4533425224                    73.05
2011-12                    75.04          3256.58   43.3979211087                    75.22
2012-13                     83.6          3872.66   46.3236842105                    84.75
2013-14                     85.9          3769.23   43.8792782305                     85.9
2014-15                    76.68          3731.77   48.6667970788                    76.96
2015-16                    71.99          3661.69   50.8638699819                    72.33
2016-17                     83.1          3993.05    48.051143201                    83.11
2017-18                    93.12             4443    47.712628866                    93.16
                                Demand Curve                                                  Supply Curve
               60                                                      40
                                                                       35
               50
                                                                       30
               40                                                      25
               30                                                      20
                                                                       15
               20
                                                                       10
               10                                                       5
                0                                                       0
                 12   14   16   18   20    22   24     26    28   30        6   8   10       12   14   16    18   20
         Revenue-Profit (in crores)      Supply Cost Estimated Demand      Estimated Supply
                                   532.7 14.397297297        13.8138672562          8.5656793521
                                  584.68 15.386315789         12.947806178          9.0980572474
                                  797.83 16.939065817        13.8397467168          9.9338856957
                                 1018.19 17.957495591        17.1833257047         10.4820953636
                                 1259.59 21.531452991        20.6861171546         12.4059177527
                                 1677.76 25.693108729        22.1858155802         14.6460917633
                                 1943.96 24.20871731          20.950289458         13.8470600106
                                 1987.38 27.205749487        21.4596480009         15.4603298278
                                 2286.81 30.401621909        25.0552948922         17.1806331862
                                 2825.36 33.337581121        26.5701472148         18.7610280908
                                 3120.47 36.32677532         25.3045238723           20.37007881
                                 2931.65 38.093165281        27.7833247166         21.3209073099
                                 2501.67 34.586893405        28.9208881059         19.4335193027
                                 2754.89 33.147515341        27.4645618249         18.6587177492
                                 3306.93 35.497316445        27.2892915762         19.9235901208
          Supply Curve
8   10   12    14    16     18    20    22   24
Demand Intercept
      2.5854505121
Demand Slope
       0.517763151
Supply Intercept
      0.8157708393
Supply slope
      0.5382891214