Last month when Holiday Creations, Inc., sold 36,000 units, total sales were $317,000, total variable expenses were $244,090, and fixed expenses were $38,300. Requirement 1: What is the company's contribution margin (CM) ratio? (Round your final answer to the nearest whole percentage. Omit the "%" sign in your response.) Contribution margin ratio % Requirement 2: Estimate the change in the company's net operating income if it were to increase its total sales by $2,000. (Round your final answer to the nearest whole dollar amount. Omit the "$" sign in your response.). Estimated change in net operating income $