BAA monopoly

You report on airport parking (14 May) says "on site" parking for a week at Edinburgh Airport is £33. But business travellers, parking for two days, are charged £39.00. With the advent of low-cost airlines, BAA's exploitation of the "captive" business traveller is a significant proportion of the cost of business journeys. BAA's ownership of both Glasgow and Edinburgh is not tenable. It must be forced to sell off Edinburgh to allow real competition with Glasg

MICHAEL N CROSBY, Muiravonside, By Linlithgow