Giberts Steel Parts produces parts for the automobilo industry. The company has monthly fixed costs of $650,000 and a contributon margin of 75% of revenues. Read the reouirements. Requirement 1. Compute Giberfs Steel Parts' monthly breakeven sales in dollars. Use the conthbution marpin rato approach. dollar. Abbreviation used. CM = contribution margin ) Begin by selecting the tabels for the cortribution margin income statement. Then enser the amounts and calculate operating income or loss when revenues are $5.0,000. Fhen in the reat step. is Steel Parts produces parts for the automobile industry. The company has monthly fixed costs of $660,000 and a contribution margin he requirements. rement 1. Compute Gilbert's Steel Parts' monthly breakeven sales in dollars. Use the contribution margin ratio approach