A-Zone Media sells two models of e-readers. The budgeted price per unit for the wireless model is $207 and the budgeted

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A-Zone Media sells two models of e-readers. The budgeted price
per unit for the wireless model is $207 and the budgeted price per
unit for the wireless and cellular model is $446. The master budget
called for sales of 11,500 wireless models and 3,250 wireless and
cellular models during the current year. Actual results showed
sales of 9,000 wireless models, with a price of $275 per unit, and
4,850 wireless and cellular models, with a price of $700 per unit.
The standard variable cost per unit is $95 for a wireless model and
$235 for a wireless and cellular model.
Required:
a. Compute the activity variance for these
data.
b. Compute the mix and quantity variance
for these data