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Osawa Inc. planned and actually manufactured 200,000 units of its single product in 2022 , its first year of operation. Variable manufacturing cost was $25 per unit produced. Variable operating (non-manufacturing) cost was $10 per unit sold. Planned and actual fixed manufacturing costs were $800,000. Planned and actual fixed operating (non-manufacturing) costs totalled $500,000. Osawa sold 190,000 units of product at $45 per unit. Required 1. Osawa's 2022 operating income using absorption costing is (a) $840,000, (b) $640,000, (c) $600,000, (d) $440,000, or (e) none of these. Show supporting calculations. 2. Osawa's 2022 operating income using variable costing is (a) $840,000, (b) $640,000, (c) $600,000, (d) $440,000, or (e) none of these. Show supporting calculations. Requirement 1. Osawa's 2022 operating income using absorption costing is (a) $640,000, (b) $600,000, (c) $840,000, (d) $440,000, or (e) none of these. Show supporting calculations. Begin by selecting the labels used in the absorption costing calculation of operating income and enter the supporting calculations. (For amounts with a $0 balance, make sure to enter " 0 " in the appropriate cell. Use parentheses or a minus sign for an operating loss.)