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The level of inventory of a manufactured product has increased by 7,000 units during a period. The following data are also available: Unit manufacturing costs of the period Unit operating expenses of the period Variable $12.00 4.00 Fixed $6.00 1.50 What would be the effect on income from operations if absorption costing is used rather than variable costing? Oa. $52,500 increase Ob. $42,000 increase Oc. $52,500 decrease Od. $42,000 decrease