The Old Bailey heard the material - which came from waste collected by 30 councils - had been shipped to Brazil by three companies to avoid the expense of sorting and cleaning it in Britain.

BBC: UK firm fined over illegal waste exported to Brazil

Perks that are commonly negotiated include vacation days, telecommuting, gym memberships, dry cleaning costs, child care, transportation expenses, professional society dues, education expense reimbursements, parking spots, projects, staff, and flextime.

FORBES: If You Can't Get More Money, Get More Perks