An island has a fuel stock with 50-quad net energy value. This fuel is used in an electric power station operating at 40% overall efficiency. The current electric consumption of 200-GWh per year is...

An island has a fuel stock with 50-quad net energy value. This fuel is used in an electric power station operating at 40% overall efficiency. The current electric consumption of 200-GWh per year is projected to increase 2% per year. How long can the fuel stock supply this island without being replenished?