In March, Roland had revenues of $611,000 fixed costs of $199,670, and a profit of $50,840. Answer the following questions: Required: a. What was the contribution margin ratio? b. What monthly sales volume (in dollars) would be needed to break even? c. What sales volume (in dollars) would be needed to earn $165,230 ? Complete this question by entering your answers in the tabs below. What was the contribution margin ratio? In March, Roland had revenues of $611,000 fixed costs of $199,670, and a profit of $50,840. Answer the following questions: Required: a. What was the contribution margin ratio? b. What monthly sales volume (in dollars) would be needed to break even? c. What sales volume (in dollars) would be needed to earn $165,230 ? Complete this question by entering your answers in the tabs below. What monthly saies volume (in dollars) would be needed to break even? In March, Roland had revenues of $611,000 fixed costs of $199,670, and a profit of $50,840. Answer the following questions: Required: a. What was the contribution margin ratio? b. What monthly sales volume (in dollars) would be needed to break even? c. What sales volume (in dollars) would be needed to earn $165,230 ? Complete this question by entering your answers in the tabs below. What sales volume (in dollars) would be needed to earn $165,230