at-will employment business business link capitalism constructive dismissal cover letter eight-hour day employee handbook employment employment contract federal insurance contributions act tax firing flextime plan full time government independent contractor intern job fraud job interview layoff leave of absence letter of resignation limited liability company living wage maximum wage minimum wage national insurance niche market overtime overtime rate paid time off part time partnership permanent employment permatemp recruitment resignation retirement retroactive overtime severance package sexual harassment shift work sick leave sleeping while on duty sole proprietorship supervisor tax deduction telecommuting temporary work termination of employment trade unemployment united kingdom united states volunteer wage work-at-home scheme working time workweek wrongful dismissal