Ayala Inc. has conducted the following analysis related to its product lines, using a traditional costing system (volume-based) and an activity-based costing system. Both the traditional and the activity-based costing systems include direct materials and direct labor costs. Products Sales Revenue Traditional ABC
Product 540X 198,200 54,440 45,520
Product 137Y 158,700 49,090 39,290
Product 249S 83,190 11,290 30,010

Required:
a. For each product line, compute operating income using the traditional costing system.
b. For each product line, compute operating income using the activity-based costing system

Solution :

a). Operating the income using traditional costing system

Products        Sales revenue($)           Traditional($)         Operating income($)

                             ( A )                                 ( B )                           ( A - B )

540X                   198,200                         54,440                       143,760

137Y                    158,700                         49,090                        109,610

249S                   83,190                            11,290                          71,900

b). Operating income using the activity-based costing system

Products        Sales revenue($)           Traditional($)       Operating income($)

                             ( A )                                 ( B )                           ( A - B )

540X                   198,200                         45,520                       152,680

137Y                    158,700                          39,290                        119,410

249S                   83,190                            30010                          53,180

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