Help Save & Exit Saved Submit Flexible Budget Variance Actual Results 13,000 ? Flexible Budget ? ? Sales Activity Variance 2,0000 ? Hastor Budget ? ? $13,000F Units Sales revenue Less: Variable manufacturing costs Variable marketing and administrative Contribution margin $87, 750 ? $52,000 $ 3, 2500 2 $91,000 ? ? ? $4,000F $6,000U $105,000 3 30,000 9 Was James's activity variance for variable manufacturing costs favorable or unfavorable