The activity variance is $ 300
first, we need to calculate the per-hour labor cost.
per-hour labor cost = [tex]\dfrac{ total direct labor cost}{Total units} = \dfrac{7500}{500}[/tex]
per-hour labor cost = $15
Now for 600 units = [tex]15 \times 600 = 9000[/tex]
Activity variance = actual direct labor cost - factual labor cost
Activity variance = 9300 - 9000
Activity variance = 300
To learn more about Activity variance with the given link
https://brainly.com/question/15421743
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