Chapter 5 – Activity-Based Costing and Customer Profitability Analysis
5-47 TDABC; Continuation of Problem 5-46 (20 min)
1. The amount of unused capacity is determined as follows.
Total Calls
Answered
Avg. No. of
Minutes/Call Total
Platinum Regional Bank 234,000 6.0 1,404,000
Healthwise Software Inc. 66,788 5.0 333,940
Johnson Manufacturing 122,665 4.0 490,660
Lesco Online Shopping 233,756 6.0 1,402,536
Babcock Insurance Service 55,455 5.5 305,003
Garcia Electric Supply and Service 38,956 3.4 132,450
Gilbert’s Online Garden Supplies 145,902 4.5 656,559
Unused Capacity 2,088,904
Call Center Practical Capacity 12,045,000
Total minutes used with the AS engagement (9,956,096
+ 1,614,750) 11,570,846
Unused capacity with the AS engagement 474,154
The 2,088,904 minutes of unused capacity is relatively large (17.3% of total
capacity) and has important implications for MMI’s operating and marketing
strategy. First, it indicates the importance of getting the AS engagement,
which would reduce unused capacity to 3.9%, a substantial improvement.
5-45