Answer:
$156,000 unfavorable.
Explanation:
For Product X:
Total units: budget = 90,000 + 110,000 = 200,000; actual units = 20,000 + 140,000 = 160,000
Sales mix: budget: 90/200 = 45%; actual: 20/160 = 12.5%
(.125 - .45) x 160,000 x $8 = $416,000 unfavorable
For Product Y:
Sales mix: budget: 110/200 = 55%; actual: 140/160 = 87.5%
(.875 - .55) x 160,000 x $5 = $260,000 favorable
Total mix variance: $260,000 - $416,000 = $156,000 unfavorable