Dr. Dong, a security analyst, observes the following income statements from two companies, A and B. The two companies operate at the same industry. AB Revenue 500 500 SG&A 200 250 He understands that A and B do not have any difference on marketing, rent, or administration expense. Dr. Dong writes in the investment recommendation that B is spending too much money on payroll but only realizes the same revenue as A. So B is less efficient in terms of using human capital. Do you agree with him? Why? A This conclusion needs to be examined with further investigation. If A never hired more employees to achieve the same revenue, then it is regarded as a more attractive employer. However, if A's lower payroll expense is only because it has more "off-financial statement" recruitment, then it is incorrect to claim that B's employees are paid too much and are producing outputs in an inefficient way. (B This conclusion needs to be examined with further investigation. If A never hired more employees to achieve the same revenue, then it is regarded as being more efficient. However, if A's lower payroll expense is only because it has more "off-financial statement" recruitment, then it is incorrect to claim that B's employees are paid too much and are producing outputs in an inefficient way. This conclusion needs to be examined with further investigation. If A never hired more employees to achieve the same revenue, then it is regarded as a more attractive employer. However, if A's lower payroll expense is not because it has more "off-financial statement" recruitment, then it is incorrect to claim that B's employees are paid too much and are producing outputs in an inefficient way