need help with the calculations to confirm my work

Northwood Campany manufactures basketbala. The company has a bat that nells for 325 . At prooont, tho boll is manutocturod in a small plant that relies heavify on direct labour workers. Thus, varioble expentes are hight fotalling 315 per ball, of which 00 os is direct labour cont. Last year, the company sola 30,000 of these balis, with the folkwing resulis