Greene Corporation reported operating income of $20,000 for May. Which of the following statements is true, if Greene's inventory levels decrease during May? O Variable costing and absorption costing will report the same operating income since the total costs are the same. O Variable costing and absorption costing will report the same operating income since the cost of goods sold is the same O Absorption costing will report less operating income than variable costing O Variable costing will report less operating income than absorption costing