A catering company prepared and served 390 meals at an anniversary
celebration last week using nine workers. The week before, five workers prepared and served 240 meals at a wedding reception.
Calculate the labor productivity for each event. (Round to 1 decimal place)
Anniversary ______ meals/worker
Wedding _______ meals/worker
Compute the multifactor productivity measure for each of the weeks
shown for production of chocolate bars. Assume 40-hour weeks and an hourly wage of $20. Overhead is 1.5 times weekly labor cost. Material cost is $6 per pound. (Round yanswers to 2 decimal place
Week Output (units) Workers Material (lbs)
1 30,000 6 420
2 34,000 8 530
3 33,000 7 500
4 35,000 9 510
Week MFP (Output / Total Cost)
1 ?
2 ?
3 ?
4 ?
A small firm intends to increase the capacity of a bottleneck operation
by adding a new machine. Two alternatives, A and B, have been identified, and the associated costs and revenues have been estimated. Annual fixed costs would be $36,000 for A and $31,000 for B; variable costs per unit would be $7 for A and $11 for B; and revenue per unit would be $18.
Determine each alternative’s break-even point in units. (Round answer to the nearest whole amount.)
QBEP,A ? units
QBEP,B ? units
At what volume of output would the two alternatives yield the same profit?(Round answer to thenearest whole amount.)
Profit ? units
A real estate agent is considering changing her cell phone plan. There
are three plans to choose from, all of which involve a monthly service charge of $20. Plan A has a cost of $.45 a minute for daytime calls and $.20 a minute for evening calls. Plan B has a charge of $.55 a minute for daytime calls and $.15 a minute for evening calls. Plan C has a flat rate of $80 with 200 minutes of calls allowed per month and a charge of $.40 per minute beyond that, day or evening.
Determine the total charge under each plan for this case: 120 minutes of day calls and 40 minutes of evening calls in a month. (Do not round intermediate calculations. Round yanswer to 2 decimal places. Omit the “$” sign in your response)
Cost for Plan A $ ?
Cost for Plan B $ ?
Cost for Plan C $ ?
If the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (Round each answer to the nearest whole number.Include the indifference point itself in each answer.)
Plan A is optimal from zero to ______mins. Plan C is optimal from ____ minutes onward.
Suppose that the agent expects both daytime and evening calls. At what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans A and B? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places. Omit the “%” sign in your response.)
Point ? percent daytime minutes
A job was timed for 60 cycles and had an average of 2.3 minutes per
piece. The performance rating was 93 percent, and workday allowances are 14 percent. Determine each of the following:
Observed time. (Round your answer to 1 decimal place.)
Normal time. (Round your answer to 2 decimal places.)
Standard time. (Round your answer to 2 decimal places.)
A time study was conducted on a job that contains four elements. The
observed times and performance ratings for six cycles are shown in the following table.
OBSERVATIONS (minutes per cycle)
Element Performance Rating 1 2 3 4 5 6
1 90% 0.44 0.50 0.43 0.45 0.45 0.46
2 85 1.50 1.58 1.47 1.51 1.49 1.52
3 110 0.84 0.89 0.77 0.83 0.83 0.80
4 100 1.10 1.14 1.08 1.16 1.16 1.26
Determine the average cycle time for each element. (Round answers to 3 decimal places.)
Find the normal time for each element. (Round to 3 decimal places
Assuming an allowance factor of 14 percent of job time, compute the standard time for this job. (Round answers to 3 decimal places.)
A newspaper publisher uses roughly 820 feet of baling wire each day
to secure bundles of newspapers while they are being distributed to carriers. The paper is published Monday through Saturday. Lead time is six workdays. What is the appropriate reorder point quantity, given that the company desires a service level of 95 percent, if that stockout risk for various levels of safety stock is as follows: 1,500 feet, .10; 2,000 feet, .05; 2,100 feet, .02; and 2,400 feet, .01?
Appropriate reorder point ?
Compute the multifactor productivity measure for each of the weeks
shown for production of chocolate bars. Assume 40-hour weeks and an hourly wage of $14. Overhead is 1.5 times weekly labor cost. Material cost is $9 per pound. (Round yanswers to 2 decimal place
Week Output (units) Workers Material (lbs)
1 29,000 6 500
2 33,000 8 470
3 32,000 7 500
4 35,000 9 510
Week MFP (Output / Total Cost)
1 ?
2 ?
3 ?
4 ?
A small firm intends to increase the capacity of a bottleneck operation
by adding a new machine. Two alternatives, A and B, have been identified, and the associated costs and revenues have been estimated. Annual fixed costs would be $36,000 for A and $31,000 for B; variable costs per unit would be $8 for A and $11 for B; and revenue per unit would be $16.
Determine each alternative’s break-even point in units. (Round answer to the nearest whole amount.)
QBEP,A ? units
QBEP,B ? units
At what volume of output would the two alternatives yield the same profit?(Round answer to thenearest whole amount.)
Profit ? units
A real estate agent is considering changing her cell phone plan. There
are three plans to choose from, all of which involve a monthly service charge of $20. Plan A has a cost of $.40 a minute for daytime calls and $.20 a minute for evening calls. Plan B has a charge of $.50 a minute for daytime calls and $.14 a minute for evening calls. Plan C has a flat rate of $75 with 200 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening.
Determine the total charge under each plan for this case: 130 minutes of day calls and 50 minutes of evening calls in a month. (Do not round intermediate calculations. Round yanswer to 2 decimal places. Omit the “$” sign in your response)
Cost for Plan A $ ?
Cost for Plan B $ ?
Cost for Plan C $ ?
If the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (Round each answer to the nearest whole number.Include the indifference point itself in each answer.)
Plan A is optimal from zero to ______mins. Plan C is optimal from ____ minutes onward.
Suppose that the agent expects both daytime and evening calls. At what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans A and B? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places.
Point ? percent daytime minutes
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