"Christopher's Cranks uses a machine that can produce 100 cranks per hour. The firm operates 12 hours per day, five days per week. Due to regularly scheduled preventive maintenance, the firm expects the machine to be running during approximately 95% of the available time. Based on experience with other products, the firm expects to achieve an efficiency level for the cranks of 85%. What is the expected weekly output of cranks for this company?"

4,845 cranks

Explanation:

Given that

Production per hour = 100 crank

Hours per day = 12

Days per week = 5

Available time = 95%

Achieved efficiency level = 85%

Production per day

= hours per day × production per hour

= 12 × 100

= 1,200 crank

Production per week = Days per week × Production per day

= 5 × 1,200

= 6,000 cranks

Adjusted output of maintenance = Available time × Production per week

= 0.95 × 6,000 cranks

= 5,700 units

Weekly output = Achieved efficiency × Adjusted output of maintenance

= 0.85 × 5,700

= 4,845 cranks

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