Brush Industries reports the following information for May. Sales- $1,000,000 ,Fixed cost of goods sold- 120,000 Variable cost of goods sold- 270,000 Fixed selling & administrative costs- 120,000 Variable selling & administrative costs- 145,000 Calculate the operating income for May under absorption costing? a. 730,000 b. 345,000 c. 585,000 d. 610,000