The level of inventory of a manufactured product has increased by 8,424 units during a period. The following data are also available: Variable Fixed Unit manufacturing costs of the period $14 $6 Unit operating expenses of the period $3 $4 What would be the effect on income from operations if absorption costing is used rather than variable costing? a. $84.240 increase b. 50,544 increase C. $84.240 decrease d. $50,544 decrease