Frank and lillian gilbreth developed the principle of motion economy, which said that every job could be broken down into a series of elementary motions. The motion economy has principles that are in place to improve the manual work within a manufacturng career field. These are to help a manufacturer worker not be exhausted so quickly and reduce the trauma that may occur within this career field.
Answer:
D. Zeta prevails, but only if the assignment is signed and in writing
Explanation:
Zeta prevails but only if the assignment is in writing and is signed.
If the assignment is express thereby and is signed by the parties in contract , then zeta can demand the amount from willy. Without any written consent and permission , willy cannot enforce the payment to zeta.
This is the best option in this case .
