Sameer works as a team leader in a multinational company. Whenever his team member performs well, goes out of his way to serve the client he awards them. The award can be a gift voucher or an appreciation mail. Sameer also encourages good behaviour by removing or handling well the situation which may lead to undesirable behaviour. Because of this practice it was the best performing team in the office. Analyse the situation and explain the elements of reinforcement used by Sameer.