6. In a particular area both steam and hydro stations are equally possible. It has been estimated that capital costs and running costs of these two types will be as under : Plant Interest Capital cost/kW Running cost/kWh 3 paise 10 paise 5% Rs 3000 Hydro 5% Rs 2000 Steam If the expected average load factor is 40%, which is economical to operate, steam or hydro?​