Jp pharmaceuticals has redesigned many jobs to make the work more interesting and challenging. the company encourages its employees to further their education by reimbursing them up to $5,000 per year for tuition and related expenses. jp also recognizes worker achievements at a company picnic each spring and a company party in december. talented employees are given promotions and added responsibilities. these policies suggest that management at jp pharmaceuticals is using the findings of: a. frederick herzberg to increase worker motivation. b. william ouchi to implement a theory z approach to management. c. frederick taylor to improve worker productivity through the principles of scientific management. d. abraham maslow to satisfy lower-order needs of employees.