The correct answer is C. Halsey and Taylor scheme.
The Gantt bonus scheme is a composite form of the Halsey and Taylor scheme. The Halsey scheme is a piece-rate system in which workers are paid a base rate plus a bonus for each unit of production that exceeds the standard. The Taylor scheme is a scientific management system in which workers are paid a base rate plus a bonus for each unit of production that exceeds the standard, but the bonus is based on the time saved rather than the number of units produced.
The Gantt bonus scheme combines the features of the Halsey and Taylor schemes. Workers are paid a base rate plus a bonus for each unit of production that exceeds the standard. The bonus is based on both the time saved and the number of units produced. This scheme is designed to motivate workers to produce more and to work more efficiently.
The Halsey and Rown scheme is a piece-rate system in which workers are paid a base rate plus a bonus for each unit of production that exceeds the standard. The bonus is based on the time saved. The Emerson and Bedox scheme is a bonus system in which workers are paid a base rate plus a bonus for each unit of production that exceeds the standard. The bonus is based on the number of units produced.