Max demand charge = Rs. 100/kVA/annum 
Expendiutre on capacitors = Rs. 60/kVA/annum 
Most economical pf = 0.80 
Max kW demand = 100 kW 
Max kVA demand at 0.75 pf = 133.34 kVA 
Max kVA demand at 0.80 pf = 125.00 kVA 
Annual saving = Rs. 833 

