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Chapter 1: Q20OQ (page 39)

Question: An electronics company makes communications devices for military contracts. The company just completed two contracts. The navy contract was for 2,300 devices and took 25 workers two weeks (40 hours per week) to complete. The army contract was for 5,500 devices that 35 workers produced in three weeks. On which contract were the workers more productive?

Short Answer

Expert verified

Answer

The productivity of workers in army contracts was more.

Step by step solution

01

Calculating the productivity of workers for the navy contract.

Productivity=Output鈥�in鈥�unitsInput鈥�in鈥�hours=230025脳2脳40=23002000=1.15鈥�units鈥�per鈥�hour

02

Calculating productivity of workers for army contract.

Productivity=Output鈥�in鈥�unitsInput鈥�in鈥�hours=550035脳3脳40=55004200=1.31鈥�units鈥�per鈥�hour

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Most popular questions from this chapter

Match the following OSCM job titles with the appropriate duties and responsibilities.

Plant manager A. Plans and coordinates staff activities such as new product development and new facility location.

Supply chain manager B. Oversees the movement of goods throughout the supply chain.

Project manager C. Oversees the workforce and resources required to produce the firm鈥檚 products.

Business process improvement analyst D. Negotiates contracts with vendors and coordinates the flow of material inputs to the production process.

Logistics manager E. Applies the tools of lean production to reduce cycle time and eliminate waste in a process.

Johnson Industries received a contract to develop and produce four high-intensity long-distance receiver/transmitters for cellular telephones. The first took 2,000 labor hours and \(39,000 worth of purchased and manufactured parts; the second took 1,500 labor hours and \)37,050 in parts; the third took 1,450 labor hours and \(31,000 in parts, and the fourth took 1,275 labor hours and \)31,492 in parts. Johnson was asked to bid on a follow-on contract for another dozen receiver/transmitter units. Ignoring any forgetting factor effects, what should Johnson estimate time and parts costs to be for the dozen units? (Hint: There are two learning curves鈥攐ne for laborand one for parts.)

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Find the average of the monthly productivity figures (units per machine hour).

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