al ISO 5150 and called sustaining costs are 1.850 and 3.300, respectively What is the actual contribution margin to the mouth 1) B) 90 S9900 D) SI186 1.) What is the contribution margin for the flexible budget A) 58961 B) 5983 C) 59266 D) 59770 1.3) For the contribution margin, what is the total statie-budget variance? A) 56930 favorable B) 5364 unfavorable C) $70 favorable D) S1036 favorable 1.4) For the contribution margin, what is the total flexible-budget variance? A) $840 favorable B) $616 favorable C) $634 favorable D) $634 unfavorable