At the beginning of the year, X Company expected to produce 3,500 units of its only product. Its estimate of fined owerhead was $14,000, and its essimate of variable cverhesd per unit was 56.95. At the end of the year, 2,700 units were actually produced, with actual total overhead cost of 529,023 , What was X Company's total overhead flexible budget variance for the year [a positive number means a faverable variance; a negathe number means an untovarable varance]