It costs homer's manufacturing $ 0.95$0.95 to produce baseballs and homer sells them for $ 4$4 a piece. homer pays a sales commission of 5% of sales revenue to his sales staff. homer also pays $ 13 comma 000$13,000 a month rent for his factory and store, and also pays $ 78 comma 000$78,000 a month to his staff in addition to the commissions. homer sold 70 comma 50070,500 baseballs in june. if homer prepares a contribution margin income statement for the month of june, what would be his contribution margin?