San Ruiz Interiors provides design services to residential and commercial clients. The residential services produce a contribution margin of $420,000 and have traceable fixed operating costs of $490,000. Management is studying whether to drop the residential operation. If closed, the fixed operating costs will fall by $360,000 and San Ruiz' income will: Multiple Choice increase by $70,000. O increase by $60,000. O increase by $290,000. O decrease by $60,000. O decrease by $290,000