n/takeAssignment taken The level of inventory of a manufactured product has increased by 7,015 units during a period. The following data are also available: Variable Fixed Unit manufacturing costs of the period $14.00 $7.00 Unit operating expenses of the period 3.00 5.00 The effect on operating income if absorption costing is used rather than variable costing would be a Oa. 549.105 decrease Ob. 584.160 increase Oc. $84.180 decrease Od. 549.105 increase