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+// Example 34_25
+clc;funcprot(0);
+//Given data
+P=12;// MW
+MD=10;// MW
+F_l=0.7;// load factor
+CC=17000;// Rs./kW
+C_td=3*10^6;// Cost of transmission and distribution system in rupees
+ID=5;// Interest,depriciation on distribution system in %
+Oc=3*10^6;// Operating cost in rupees
+Cc=800;// Cost of coal in Rs./ton
+Mc_f=0.3*10^6;// Plant maintainence costs in Rs./year (fixed)
+Mc_r=350000;//Plant maintainence costs in Rs./year (running)
+c=30*10^3;// Coal used in tons/year
+
+
+//Calculation
+ID_f=(10/100)*CC*P*10^3;//  Interest,depriciation etc. of the plant in Rs./year
+ID_ftd=(5/100)*C_td;// Interest,depriciation etc.of the transmission and distribution in Rs./year
+Ac_r=c*Cc;//Annual cost of coal in Rs./year
+FC=ID_f+ID_ftd+Mc_f;// Fixed cost in Rs./year
+RC=Ac_r+Oc+Mc_r;// Running cost in Rs./year
+Gtc=FC+RC;// Grand total cost in Rs./year
+E_g=MD*10^3*F_l*8760;// Energy generated per year in kWh
+Tpt_1=(FC/(MD*10^3));// Rs./kW
+Tpt_2=(RC/(E_g));// Rs./kWh
+Oac=(FC+RC)/(E_g);// Over all cost/kWh
+printf('\nTwo part tariff=Rs.%0.0f/kW+Rs.%0.3f/kWh \nOver all cost/kWh=Rs.%0.2f',Tpt_1,Tpt_2,Oac);
+// The answer provided in the textbook is wrong