Al's Brake Shop had sales revenues and operating costs in 2014 of $650,000 and $525,000, respectively. In 2015, Al's plans to expand the services it provides to customers to include lubrication services. Revenues are expected to increase by $85,000 and operating costs by $50,000 as a result of this expansion. Assuming that there are no changes to the existing brake business, what is the amount of operating profits that are expected be earned in 2015?
a. $125,000
b. $85,000
c. $160,000
d. $35,000