In 2020, the Merkel Company had revenues of $2,600,000 and costs of $2,100,000. During 2021, Merkel will be introducing a new product line that is expected to increase sales revenue by $260,000 and costs by $172,000. Assuming no changes are expected for the other products, the operating profits are expected to increase by: Multiple Choice a. $588,000. b. $260,000. c. $172,000. d. $88,000.