Requirement 2. Use the contribution margin ratio to project operating income (or loss) if revenues are $530,000 and if they are $1,050,000. First, select the labels to calculate projected operating income. Then, calculate projected income (or loss) if revenues are $530,000. Finally, calculate projected income (or loss) if revenues are $1,050,000. (Enter the contribution margin ratio as a whole percent. Enter losses with a minus sign or parentheses.) Graham's Steel Parts Operating Income Projection at Different Sales Levels If revenues are $530,000 Sales revenue $ 530.000 Read the requirements. Operating Income Projection at Different Sales Levels If revenues are $530,000 Sales revenue 530,000 Contribution margin ratio % Contribution margin Fixed costs Operating income (loss) Enter any number in the edit fields and then click Check Answer Requirement 2. Use the contribution margin ratio to project operating income (or loss) if revenues are $530,000 and if they are $1,050,000. First, select the labels to calculate projected operating income. Then, calculate projected income (or loss) if revenues are $530,000. Finally, calculate projected income (or loss) if revenues are $1,050,000. (Enter the contribution margin ratio as a whole percent. Enter losses with a minus sign or parentheses.) Graham's Steel Parts Operating Income Projection at Different Sales Levels If revenues are $530,000 Sales revenue $ 530.000 Read the requirements. Operating Income Projection at Different Sales Levels If revenues are $530,000 Sales revenue 530,000 Contribution margin ratio % Contribution margin Fixed costs Operating income (loss) Enter any number in the edit fields and then click Check