Please answer the three questions

In September, one of the processing departments at wielgus Corporation had beginning work in process inventory of $27,000 and ending work in process inventory of $10.000 During the month, $296,000 of costs were added to production. In the department's cost reconciliation report for September, the total cost to he accounted lor would be: $37,000 $323,000 $619,000 $646,000 Contribution margin is the amount remaining after: variable expenses have been deducted from sales revenue. fixed expenses have been deducted from sales revenue. fixed expenses have been deducted from variable expenses cost of goods sold has been deducted from sales revenues. Which of the following is NOT a correct definition of the break-even point? the point where total sales equals total expenses the point where total profit equals total fixed expenses. the point where total contribution margin equals total fixed expenses. the point where total profit equals zero