In 2016,the Allen Company Had Consulting Revenues of $1,000,000 While

In 2016,the Allen Company had consulting revenues of $1,000,000 while operating costs were $750,000.In 2017,Allen will be introducing a new service that will generate $150,000 in sales revenues and $60,000 in operating costs.Assuming no changes are expected for the other services,the differential operating costs for 2017 will be

A) $250,000.
B) $150,000.
C) $90,000.
D) $60,000.