Exam 10: Operations Planning and Scheduling

Wally's Bar operates seven days a week. The daily requirements (in workers) are estimated as follows: Each worker is required to work five days per week, and each must have two consecutive days off. What is the minimum number of workers needed? Provide the days off that each worker receives.

Table 10.1 Bart Incorporated manufactures rotary air fans and uses a production-planning horizon of one-half year. It allows for regular time, part time, overtime, and subcontracting production to meet the demand but no more than 12 units may be made by each of these methods. Both anticipation inventory and backorders are allowed. The beginning (or current) inventory is 20 units. Their first attempt at a sales and operations plan has resulted in the following. -Use the information in Table 10.1. If anticipation inventory is increased to 30 units at the start of the first month, what is the inventory holding cost over the entire planning period?

What is a mixed-strategy approach to sales and operations planning?

How can the workforce be aggregated?

The purpose of a rotating schedule is to:

Table 10.8 Suppose that the following eight jobs must be scheduled through a car repair facility (repair times are shown in days): -Use the information in Table 10.8 to answer this question. Which job retains the same position in both an EDD and an SPT sequence?

A level strategy matches demand during the planning horizon by varying either the workforce level or the output rate.

A(n) ________ seeks to optimize resources across the supply chain and align daily operations with strategic goals.

Which one of the following statements about sales and operations planning is best?

Table 10.10 A work center has the following six jobs waiting to be processed (all times are shown in days): -Use the information in Table 10.10. Which job will be the first one completed if scheduling is done using the earliest due date (EDD) rule?

Use the information in the preceding table and sequence the six jobs using FCFS and EDD. The jobs are listed in the order of their arrival. Calculate the average flow time and average past due. It is now time zero.

Use the information in the preceding table and sequence the seven jobs using first come, first served (FCFS) and earliest due date (EDD). Calculate the average flow time and average past due. It is now time eight.

Table 10.10 A work center has the following six jobs waiting to be processed (all times are shown in days): -Use the information in Table 10.10. What is the average past due (in days) using the FCFS rule?

Table 10.8 Suppose that the following eight jobs must be scheduled through a car repair facility (repair times are shown in days): -Use the information in Table 10.8 to answer this question. What is the flow time of car B if an SPT sequence is obeyed?

Which one of the following statements concerning sales and operations planning alternatives is best?

How do Gantt charts assist schedulers in arriving at feasible schedules?

Which one of the following statements about sales and operations planning is best?

A master production schedule is a schedule that specifies the timing, size, and sequence of production for aggregated product families.

An aggressive advertising campaign was credited with K-Tel's inability to keep K-Fed's latest CD on the shelves. K-Tel continued to accept orders and promised to ship as soon as they could burn new discs. Customers weren't happy, but were willing to wait. This unfortunate situation can be described as a:

Table 10.2 Archie Toys is a retailer operating out of Wichita, Kansas. It experiences a seasonal demand pattern for its services. Labor requirements over a typical six-month period follow. The workforce requirements (expressed as number of employees) are given in the following table for the next six periods. Costs associated with operations are as follows: Wages = $800 per worker per month Hiring cost = $300 per worker Layoff cost = $200 per worker The current workforce level is nine workers, and the undertime is paid for. Use the spreadsheet approach and the preceding data to answer the following questions. -Use the information in Table 10.2. The total cost of the staffing plan, including the cost of regular wages, hiring, and layoffs, using a level strategy in which no overtime is allowed and the undertime paid for, is: