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DBC, TDABC, and ABC The Bienestar Cardiology Clinic has two major activities: diagnostic and treatment. The two activities use four resources: nursing, medical technicians, cardiologists,

DBC, TDABC, and ABC

The Bienestar Cardiology Clinic has two major activities: diagnostic and treatment. The two activities use four resources: nursing, medical technicians, cardiologists, and equipment. Detailed interviews have provided the following work distribution matrix shown below.

Resources
Activity Nursing Technicians Cardiologists Equipment Total Activity Time
Diagnosing patients 0.70 0.80 0.40 0.60 12,000 hrs.
Treating patients 0.30 0.20 0.60 0.40 8,000 hrs.
Total time (hrs.) 4,000 4,000 6,000 6,000 20,000
Cost $80,000 $80,000 $320,000 $320,000

The total time estimated corresponds to practical capacity (interviewers adjusted the total time to about 80 percent of the available time). The equipment time is measured in machine hours. Thus, the total time (at practical capacity) in the system is 20,000 hours. In considering the implementation of a TDABC model, the following unit times and transaction information are also provided:

Unit Time Driver Expected Activity Driver Quantity
Diagnosing patients 3 hrs No. of patients 4,000
Treating patients 0.8 hr. No. of treatments 10,000

The clinic has identified three types of patients: those with no heart disease, those with mild heart disease, and those with severe heart disease. The following additional data are provided:

Patient Type Diagnosing Patients Treating Patients Average Time Spent Servicing Each Patient Type (Cycle Time)
No disease 2,000 0 3 hrs.
Mild disease 1,500 5,000 5.6 hrs.
Severe disease 500 5,000 11.0 hrs.
Activity cost ? ?

Required:

1. Calculate the activity costs for diagnosing and treating patients. Using the activity costs calculated, calculate the unit cost of servicing each type of patient using traditional ABC.

Activity rates
Diagnosing $fill in the blank 1
Treating $fill in the blank 2

Calculate the unit cost of servicing each type of patient using traditional ABC.

Unit Cost
No Disease $fill in the blank 3
Mild $fill in the blank 4
Severe $fill in the blank 5

2. Using TDABC-derived activity rates, calculate the unit cost of servicing each type of patient. If required round your answer to two decimal places.

Activity rates
Diagnosing $fill in the blank 6
Treating $fill in the blank 7
Unit Cost
No Disease $fill in the blank 8
Mild $fill in the blank 9
Severe $fill in the blank 10

3. Using DBC, calculate the unit cost of servicing each type of patient. If required round your answer to two decimal places.

Unit Cost
No Disease $fill in the blank 11 per patient
Mild $fill in the blank 12 per patient
Severe $fill in the blank 13 per patient

4. Suppose that a medical consultant proposes a new patient-processing system that will shorten diagnostic and treatment times but would require more skilled nurses and technicians as well as an equipment upgrade. However, the total practical capacity would remain the same, at 20,000 hours. Total resource costs are predicted to increase by $100,000. The consultant estimates that the cycle times for each patient type would be reduced from 3 to 2 hours, 5.6 to 4.5 hours, and 11 to 9 hours. The physicians that own the clinic have expressed a willingness to implement the changes, provided that the unit cost of servicing each patient type decreases. Use DBC to estimate the new unit costs. If required round your answer to two decimal places.

Unit Cost
No Disease $fill in the blank 14 per patient
Mild $fill in the blank 15 per patient
Severe $fill in the blank 16 per patient

Should the clinic implement the new system?

YesNoYes

Discuss the advantages of DBC for this analysis over ABC and TDABC. Finally, identify the data analytic types (descriptive, diagnostic, predictive, or prescriptive) that apply for this analysis (see Exhibits 2.5 and Exhibits 2.6, for a review of data analytic types). Note: More than one analytic type might apply.

The data analytic types are

descriptivediagnosticpredictiveprescriptiveboth descriptive and diagnosticboth predictive and prescriptiveboth predictive and prescriptive

. The unit costs are what are likely to happen given the estimates. The

increasedecreasedecrease

in unit costs and the

increasedecreaseincrease

in ability to process more patients suggest that the clinic

shouldshould notshould

adopt the new system.

Feedback Area

Feedback

1. First, calculate the total cost of diagnosing and treating patients by multiplying the total cost of each activity by the indicated values of the resource drivers. Divide the total cost by the total number of patients served. Then use those activity rates to allocate costs to each type of patient. Divide by total number of patients served to determine unit cost.

2. Calculate Capacity Cost rate by dividing the total resource cost by the practical capacity of the resources supplied. Calculate Activity Cost by multiplying activity rate by total activity output. Divide by total number of patients served to determine unit cost.

3. Calculate Overhead rate. Multiply overhead rate by cycle times.

4. Calculate Overhead rate. Multiply overhead rate by new cycle times. Refer to Exhibit 2.6 for identifying data analytic types.

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