Answer:
The revenue variance would have been $5,400 unfavorable.
The revenue variance = actual revenue - budgeted revenue = $158,600 - $164,000 = -$5,400 unfavorable (when you analyze revenues, negative variances are unfavorable because it means that less money was earned than budgeted).
Explanation:
total number of containers refurbished 38, while the budgeted number was 40:
budget actual (over)/under variance
revenue 164,000 158,600 (5,400) U
wages 94,600 92,700 (1,900) F
materials 28,000 27,000 (1,000) F
others 41,200 40,800 400) F