Please answer the question and show ALL the work. Thanks

Vanikord Corporation currently has two divisions which had the following operating results for last year: Because the Rubber Division sustained a loss, the president of Vanikoro is considering the elimination of this division. All of the division's traceable fixed costs could be avoided if the division was dropped. None of the allocated common corporate fixed costs could be avoided. If the Rubber Division was dropped at the beginning of last year, how much higher or lower would Vanikoro's total net operating income have been for the year? A. $20,000 higher B. $50,000 higher C. $50,000 lower D. $30,000 lower