Something to be familiar with which might blur the ratio is business class ‘lite’ fares supplied by the likes of Finnair and copyright. I hugely suggest receiving the Elite Edition of Scott’s Cheap Flights (now termed Heading). I’ve made use of this e-mail assistance for 4 yrs, and it’s https://www.businessflightshop.co.uk/first-class-flights-to-johannesburg-south-africa