At the end of the year, overhead applied for Zee Corporation was $100,000. Actual overhead was $120,000. Closing over/under applied overhead into cost of goods sold would cause: a. Gross profit to decrease by $20,000 b. Gross profit to increase by $20,000 c. Cost of goods sold to decrease by $20,000 d. Both "a" and "c" are correct Select one: O a. A b. . O d.D