Sloane Products has no Work in Process or Finished Goods inventories at the close of business on December 31 of the current year. The balances of Sloane Products' accounts as of December 31 are as follows:

Cost of goods sold--unadjusted $2,520,000 Selling & administrative expenses 950,000 Sales 4,000,000 Manufacturing overhead control 800,000 Manufacturing overhead applied 754,000

Pretax income for the current year is: a. $530,000 b. $680,000 c. $576,000 d. $484,000