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+// Example 34_21
+clc;funcprot(0);
+//Given data
+P=142.5;// Plant capacity in MW
+CC=130*10^7;// The Capital cost in rupees
+Ac_o=18.8*10^7;// Annual cost of coal,oil,tax and salaries in rupees
+R_i=5;// Rate of interest in % of capital
+R_d=5;// Rate of depreciation in % of capital
+U_e=6;// Unit of energy used in % of the total units supplied
+F_l=0.6;// The annual load factor
+F_c=0.5;// Annual capacity factor
+
+//Calculation
+MD=(P*F_c)/F_l;// Maximum demand in MW
+Rc=P-MD;// Reserve capacity in MW
+E_s=MD*10^3*F_l*8760;// Yearly energy supplied by the plant in kWh
+E_g=(1+(U_e/100))*E_s;// Yearly energy generated in kWh
+ID=((R_i+R_d)/100)*CC;//Interest and decpreciation in Rs./year
+TC=(ID+Ac_o);// Total cost in Rs./year
+Oc=(TC/E_g);// Overall cost of generation in Rs./kWh
+printf('\nReserve capacity=%0.2f MW \nOverall cost of generation=Rs.%0.3f/kWh',Rc,Oc);
+// The answer provided in the textbook is wrong