It costs Homer's Manufacturing $0.85 to produce baseballs and Homer sells them for $6 a piece. Homer pays a sales commission of 5% of sales revenue to his sales staff. Homer also pays $14,000 a month rent for his factory and store, and also pays $79,000 a month to his staff in addition to the commissions. Homer sold 70,500 baseballs in June. If Homer prepares a contribution margin income statement for the month of June, what would be his contribution margin? A. $81,075 B. $363,075 C. $423,000 D. $341,925