To keep the business running, it is extremely important that sale yields revenue. Profits have to be earned from sales to cover the cost of operations and other expenses.. The sales department HAS to achieve its targets to earn revenue. This revenue not only meets the expenditure of the company but efforts are also made to plough back a part of the profit for reinvestment. A good sales mechanism keeps the organizations running successfully, thus, the sales and marketing activities have to be planned meticulously.