Variances from activity-based costs. Assume Texas Instruments uses activity-based costing for variable overhead costs. For July, it has three cost drivers with the following standard and actual...

Variances from activity-based costs. Assume Texas Instruments uses activity-based costing for variable overhead costs. For July, it has three cost drivers with the following standard and actual amounts for 10,000 units of output.

Prepare an analysis of the variances