It costs Homer's Manufacturing S0.45 to produce basebalts and Homer sells them for s8 a piece Homer pays a sales com on of 5% of sales revenue to hs sales staff Homer also pays $6,000 a month rent for h factory and store, and ahe pays $81,000 a month to his staff in addtion to the commissions Homer sold 72,500 basebals in June Homer prepares a contibution margin ncome statement for the month of June, what would be hs contribution margie OA S435,000 O B 489.375 OC 54375 OD. 380,625