has a 25% margin of safety. Its before tax rate on sales is 10%, after tax return on sales is 6%, and its tax rate is 40%. What is contribution margin ratio 0 60% O 40% O 0 0 cannot be determined 0 30% has a 25% margin of safety. Its before tax rate on sales is 10%, after tax return on sales is 6%, and its tax rate is 40%. What is variable ratio 0 70% O 60% O 40% 0 Cannot be determined 00 has a 25% margin of safety. Its before tax rate on sales is 10%, after tax return on sales is 6%, and its tax rate is 40%. What is Break Even Ratio? 0 75% O 0 0 Cannot be determined 0 60% O 40%