Question: As vice president of sales for a rapidly growing company, u r grappling wit the question of expanding the size of your direct sales force from its current level of 60 sales person. you r considering hiring 5 to 10 additional person. how would u estimate the additional dolar cost of each additional sales person? based on ur company past sales experience; how would u estimate the expected net revenue generated by an additional sales person? (be specific about the info u might use to derive this estimate). how would u use these cost and revenue estimates to determine whether a sales force increase or possibly a decrease is warranted?