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Assign overhead using traditional costing and ABC; compute unit costs; Combat Fire, Inc. manufactures steel cylinders...

Assign overhead using traditional costing and ABC; compute unit costs;
Combat Fire, Inc. manufactures steel cylinders and nozzles for two models of fire extinguishers: (1) a home fire extinguisher
and (2) a commercial fire extinguisher. The home model is a high-volume (54,000 units), half-gallon cylinder that holds 2 1/2
pounds of multi-purpose dry chemical at 480 PSI. The commercial model is a low-volume (10,200 units), two-gallon cylinder
that holds 10 pounds of multi-purpose dry chemical at 390 PSI. Both products require 1.5 hours of direct labor for completion.
Therefore, total annual direct labor hours are 96,300 or [1.5 hours x (54,000 + 10,200)]. Expected annual manufacturing
overhead is $1,584,280. Thus, the predetermined overhead rate is $16.45 or ($1,584,280 ÷ 96,300) per direct labor hour.
The direct materials cost per unit is $18.50 for the home model and $26.50 for the commercial model. The direct labor cost
is $19 per unit for both the home and the commercial models.
     The company's managers identified six activity cost pools and related cost drivers and accumulated overhead by cost pool
as follows.
Estimated Expected Use of
Estimated Use of Cost Drivers by Product
Activity Cost Pools Cost Drivers Overhead Drivers Home Commercial
Receiving Pounds $80,400 335,000 215,000 120,000
Forming Machine hours 150,500 35,000 27,000 8,000
Assembling Number of parts 412,300 217,000 165,000 52,000
Testing Number of tests 51,000 25,500 15,500 10,000
Painting Gallons 52,580 5,258 3,680 1,578
Packing and shipping Pounds 837,500 335,000 215,000 120,000
$1,584,280
Instructions
(a) Under traditional product costing, compute the total unit cost of each product. Prepare a simple comparative
       schedule of the individual costs by product (similar to Illustration 4-3 on page 5).
(b) Under ABC, prepare a schedule showing the computations of the activity-based overhead rates (per cost driver).
(c) Prepare a schedule assigning each activity's overhead cost pool to each product based on the use of cost drivers.
        (Include a computation of overhead cost per unit, rounding to the nearest cent.)
(d) Compute the total cost per unit for each product under ABC.
(e) Classify each of the activities as a value-added activity or a non-value-added activity.
(f) Comment on (1) the comparative overhead cost per unit for the two products under ABC, and (2) the comparative
       total costs per unit under traditional costing and ABC.
NOTE: Enter a number in cells requesting a value; enter either a number or a formula in cells with a "?" .
Products
(a) Manufacturing Costs Home Model Commercial Model
Direct materials $                               18.50 $              26.50
Direct labor $                               19.00 $              19.00
Overhead $                               24.68 $              23.68
     Total unit cost $                               62.18 $              69.18
Expected Use of Drivers
Estimated ÷ Expected Use of = Activity-Based
(b) Activity Cost Pool Overhead Cost Drivers OH Rate
Receiving $                        80,400.00 $     335,000.00 Pounds $0.24
Forming $                      150,500.00 $       35,000.00 MH $4.30
Assembling $                      412,300.00 $     217,000.00 $1.90
Testing $                        51,000.00 $       25,500.00 Tests $2.00
Painting $                        52,580.00 $         5,258.00 Gallons $10.00
Packing and shipping $                      837,500.00 $     335,000.00 Pounds $2.50
$                      158,428.00
(c) Home Model Commercial Model
MH x Activity-Based    = Cost Expected Use x Activity-Based    = Cost
Activity Cost Pool of Drivers OH Rates Assigned of Drivers OH Rates Assigned
Receiving $                      215,000.00 $0.24 $                     51,600.00 $     120,000.00 $0.24 $   28,800.00
Forming $                        27,000.00 $4.30 $                   116,100.00 $         8,000.00 $4.30 $   34,400.00
Assembling $                      165,000.00 $1.90 $                   313,500.00 $       52,000.00 $1.90 $   98,800.00
Testing $                        15,500.00 $2.00 $                     31,000.00 $       10,000.00 $2.00 $   20,000.00
Painting $                          3,680.00 $10.00 $                     36,800.00 $         1,578.00 $10.00 $   15,780.00
Packing and shipping $                      215,000.00 $2.50 $                   537,500.00 $     120,000.00 $2.50 $ 300,000.00
     Total cost assigned (a) $                1,086,500.00 $ 497,780.00
     Units produced $                     54,000.00 $   10,200.00
    OH cost per unit (a) +(b) $                            20.12 $          48.80
Assume that total estimated overhead costs for Receiving, Assembly and Painting changed to
$110,400, $425,000, and $72,600 respectively. Redo instructions (a) to (c ) and round overhead
rates to two decimal points.

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