Please answer the questions with calculation steps

8. Canada Compary has a product with a seling proe per unit of $200, the unit veriable cost is $110, and the total monthly fored costs are $300,000. How rach is Canadals contribution maryin ratio? c. 45% (200110)200=45% 182% 9. Chung. Inc: sells 100,000 wrenches for $24 per unili. Fixed costs are $700,000 and net income is $00,000. What ohould be reported as variobie expenses in the CVP income staternent? a. $1,000,000 b. $1,209,000 c. $1,900,000 (d) (31,700,000 10. Bolton Industries had actual sales of $1,000,000 when treakeven sales were 5600,050 . What is the mgrain of safety ratio? (a) 40% b. 33% 60% d. 67%