(e) Kerosene lanterns similar to the Duplex lamp are still widely used in developing countries. An alternative form of lighting for a rural village is to distribute electric lanterns that use LED lamps and batteries which can be recharged weekly from large PV panels. (i) A typical LED lamp has a luminous efficacy of 75 lumens per watt of electricity consumed. Calculate how many watts of electricity would be required by a lamp providing equivalent light output to the kerosene lantern in part (d)