Current Attempt in Progress

Cullumber 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 activity$-$based costing systems include direct materials and direct labour

costs.

Additional information related to product usage by these pools is as follows:

$($a$)$

For each product line, calculate operating income using the traditional costing system.

Traditional costing system