Answer:
Master Budget Variance = -$25,986 Unfavorable
Explanation:
Master Budget Variance = Standard or Budgeted Sales Value - Actual Sales Value
Budgeted Sales Value = 14 pools for $20,517 per pool = $287,238
Actual Sales Value = 12 pools for $21,771 per pool = $261,252
Master Budget Variance = $287,238 - $261,252 = $25,986
Since actual sales value is less than budgeted sales, the variance is unfavorable.
Master Budget Variance = -$25,986 Unfavorable