A business operated at 100% of capacity during its first month, with the following results: Sales (120 units) $600,000 Production costs (150 units): Direct materials $75,000 Direct labor 18,750 Variable factory overhead 33,750 Fixed factory overhead 30,000 157,500 Operating expenses: Variable operating expenses Fixed operating expenses $5,320 3,460 8,780 What is the amount of the income from operations that would be reported on the variable costing income statement? Oa. $599,850 Ob. $591,220 Oc. $459,220 Od. $492,680