For each of the following items, a), b) and c), suggest and explain the most suitable valuation method involved and the data required for creating values when costs or benefits have no direct market value: The costs of the loss of natural habitat and wildlife due to the construction and operation of a new airport. The benefits of supplying free medically-approved flu vaccinations to all eligible adults in a population. The benefits of free admission to popular museums in London. please give proper explanation 7-10 marks