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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
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Tamarindo Company produces speakers (Model A and Model B). Both products pass through two producing departments. Model A’s production is much more labor- intensive than Model B’s. Model B is also the more popular of the two speakers. The following data have been gathered for the two products:
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Units produced per year . . . . . . . . . . . . . . . . . . . .                        30,000                     300,000 Prime costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $200,000            $2,000,000
Direct labor hours  . . . . . . . . . . . . . . . . . . . . . . . .                       140,000                     300,000
Machine hours . . . . . . . . . . . . . . . . . . . . . . . . . . .                        20,000                     200,000
Production runs  . . . . . . . . . . . . . . . . . . . . . . . . . .                        40                            60
Inspection hours . . . . . . . . . . . . . . . . . . . . . . . . . .                             800                        1,200
Maintenance hours . . . . . . . . . . . . . . . . . . . . . . . .                       10,000                      90,000
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|
Setup costs  . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
$ 360,000 |
|
Inspection costs  . . . . . . . . . . . . . . . . . . . . . . . . |
280,000 |
|
Machining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
320,000 |
|
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . |
    360,000 |
|
Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
$1,320,000 |
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Required
1.   Compute the overhead cost per unit for each product using a plantwide rate based on direct labor hours.
2.   Compute the overhead cost per unit for each product using activity-based costing.
3.   Suppose that Tamarindo decides to use departmental overhead rates. There are two departments: Department 1 (machine intensive) with a rate of $4.66 per machine hour, and Department 2 (labor intensive) with a rate of $1.20 per direct labor hour. The consumption of these two drivers is given below:
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|
 |
 |
 Department 1 |
 Department 2 |
|
Model A |
10,000 |
130,000 |
|
|
 |
Model B |
170,000 |
270,000 |
Compute the overhead cost per unit for each product using departmental rates.
4.   Using the activity-based product costs as the standard, comment on the ability of departmental rates to improve the accuracy of product costing. (Did the departmental rates do better than the plantwide rate?)
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