Can someone help me determine the correct responses to this question?

Hydro Systems Engineering Associates, Inc. provides consulting services to city water authorities. The consulting firm's contribution- margin ratio is 25 percent, and its annual fixed expenses are $235,000. The firm's income-tax rate is 40 percent. Required: 1. Calculate the firm's break-even volume of service revenue. 2. How much before-tax income must the firm earn to make an after-tax net income of $134,000? 3. What level of revenue for consulting services must the firm generate to earn an after-tax net income of $134,000? Req 1 to 3 Req 4 Calculate the firm's break-even volume of service revenue. How much before-tax income must the firm earn to make an after-tax net income of $134,000? What level of revenue for consulting services must the firm generate to earn an after-tax net income of $134,000? (Do not round intermediate calculations. Round your final answers to the nearest dollar amount.) Break-even volume Before tax income Service revenue