Question

A project involves excavation of a 200 ft by 200 ft raft
foundation to a depth of 5 ft, with the earth to be transported up
to 40 yards from the edge within 14 days.

Estimate the total cost for excavation considering Manual
operation and the following;

Man hours/unit: 0.05 hours/unit

Assume 8 hour/day of work

Cost of labor/day: $120

1.(b) How many workers do you need to complete work in 14
days?

Estimate the total cost for excavation considering Mechanical
Operations with 1 excavator and 2 tippers and the following;

2 operators per excavator and 2 operators per truck

Productivity of equipment: 900 ft3/hour

Assume 8 hour/day of work

Cost of excavator/day: $2000

Cost of tipper/day: $900

Cost of labor/day: $200

Answer #1

Q2. In the following situation, should one machine be purchased
and operated 24 hours a day, or should three machines
be bought and operated 8 hours?
The machine cost $ 120000 with an economic life of 10
years.
The 24 operation is really only 95% efficiency because of
maintenance and repair activities.
Labor is paid in full no matter how many hours they work in
each shift.
First shift operators get $ 12, second shift operators get $
14, and...

In the following situation, should one machine be purchased and
operated 24 hours a day, or should three machines be
bought and operated 8 hours?
The machine cost $ 120000 with an economic life of 10
years.
The 24 operation is really only 95% efficiency because of
maintenance and repair activities.
Labor is paid in full no matter how many hours they work in
each shift.
First shift operators get $ 12, second shift operators get $
14, and third...

In the following situation, should one machine be purchased and
operated 24 hours a day, or should three machines be
bought and operated 8 hours?
The machine cost $ 120000 with an economic life of 10
years.
The 24 operation is really only 95% efficiency because of
maintenance and repair activities.
Labor is paid in full no matter how many hours they work in
each shift.
First shift operators get $ 12, second shift operators get $
14, and third...

W.L. Brown, a direct marketer of women’s clothing must determine
how many telephone operators to schedule during each part of the
day. The firm estimates that the number of phone calls received
each hour of a typical eight-hour shift can be described by the
probability distribution in the template. Each operator can handle
15 calls per hour and costs the company $20 per hour. Each phone
call that is not handled is assumed to cost the company $6 in lost...

rick wing has a repetitive manufacturing plant producing
automobile steering wheels, use the following date to prepare for a
reduse lots size , the firm uses a work year of 295 days ;
Setup labor cost per hour = $ 40
Annual Holding cost per unit year = $ 15
Daily production ( 8 hours) = 960 units / day
Annual Demand = 35,400 (295 days each * daily demand of 120)
Desired lot size (2 hour or production) =...

Portsmouth Company makes upholstered furniture. Its only
variable cost is direct materials. The demand for the company's
products far exceeds its manufacturing capacity. The bottleneck (or
constraint) in the production process is upholstery labor-hours.
Information concerning three of Portsmouth's upholstered chairs
appears below:
Recliner
Sofa
Love Seat
Selling price per unit
$
1,512
$
2,190
$
1,510
Variable cost per unit
$
900
$
1,350
$
1,000
Upholstery labor-hours per unit
9 hours
14 hours
6 hours
Required:
1. Portsmouth...

Answer questions 4-10 using the information below:
Fullerton, Inc. makes and sells a single snowboard model, the
Titan. Fullerton’s CEO expects to sell 3,910 snowboards at an
estimated retail price of $1,320 per board during 2018. In the fall
of 2017, Fullerton gathered the following data to prepare budgets
for 2018:
Materials and Labor Requirements
Wood
17 board feet (b.f.) per snowboard
Fiberglass
15 yards per snowboard
Direct labor
7 hours per snowboard
CEO expects to...

Answer questions 4-10 using the information below:
Fullerton, Inc. makes and sells a single snowboard model, the
Titan. Fullerton’s CEO expects to sell 3,910 snowboards at an
estimated retail price of $1,320 per board during 2018. In the fall
of 2017, Fullerton gathered the following data to prepare budgets
for 2018:
Materials and Labor Requirements
Wood
17 board feet (b.f.) per snowboard
Fiberglass
15 yards per snowboard
Direct labor
7 hours per snowboard
CEO expects to...

Oxnard Company uses a volume-based costing system that applies
overhead cost based on machine hours at $25 per machine hour.
The company is considering adopting an activity-based costing
system with the following data:
Activity
Cost Driver
Rate
Materials handling
Pounds of material
$1.50
Lathe work
Number of parts
$1.00
Milling
Number of machine hours
$8.00
Grinding
Number of turns
$0.40
Testing
Number of units tested
$15.00
The two jobs processed in the month of May had the following
characteristics:
Job...

Oxnard Company uses a volume-based costing system that applies
overhead cost based on machine hours at $25 per machine hour.
The company is considering adopting an activity-based costing
system with the following data:
Activity
Cost Driver
Rate
Materials handling
Pounds of material
$1.50
Lathe work
Number of parts
$1.00
Milling
Number of machine hours
$8.00
Grinding
Number of turns
$0.40
Testing
Number of units tested
$15.00
The two jobs processed in the month of May had the following
characteristics:
Job...

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