Three circularly shaped linear polarisers are placed coaxially. The transmission axis of the first polariser is at 30^(@) , the second one is at 60^(@) and the third at 90^(@) to the vertical all in the clockwise sense. Each polariser additionally absorbs 10% of the light. If a vertically polarised beam of light of intensity I = 100 W//m^(2) is incident on this assembly of polarisers, then the final intensity of the transmitted light will be close to
