example 4 3   
 
 (a)   
 capital cost of plant Rs6.000000e+009 
 total capital cost Rs7.800000e+009
 interest,depereiation system Rs8.580000e+008 
 sum of maximum demand of consumers energy prodused 272MW 
 energy produced 9.811200e+008kWh 
 energy consumed by auxilliries 4.905600e+007kWh
 energy output 9.320640e+008kWH 
 energy sold to consumer 7.922544e+008kWh
 
 (b)fixed cost   
 interest, deprecition etc Rs8.580000e+008 per year
 managerial and maintence Rs3e+007per year 
 total 	 Rs8.880000e+008 
 profit@25 	Rs2.220000e+008per year 
 grand total Rs1.110000e+009 per year 
 Operating cost   
 Operating labour,supplies maintenance etc Rs.2.360000e+008per year 
 metering,billing etc Rs9.000000e+007per year
 total		Rs3.260000e+008 per year
 profit 	 Rs8.150000e+007per year 
 grand total 	 Rs4.075000e+008 per year 
 tariff   
 cost per kW 	Rs4.080882e+003 
 cost per kWh 	Rs5.143550e-001 
 (b)   
 energy produced 1.121280e+009kWh 
 energy consumed by auxiliaries 5.606400e+007kWh/year 
 energy output of plant 1.065216e+009kWh 
 energy sold to consumer 9.054336e+008kWh