ABC, Inc. sells three products. Income statement information for the three products for the most recent year is given below:  Product A Product B Product C Selling price per unit ..... $20 $16 $15 Costs: Variable costs ............ $90,000 $72,000 $78,000 Advertising ............... $12,400 $14,900 $18,500 Rent ...................... $11,700 $11,700 $11,700 Supervisor's salary ....... $22,600 $26,500 $24,700 Property taxes ............ $ 4,000 $ 7,000 $ 3,000 Units sold ................. 6,000 9,000 13,000 The rent is allocated to the three products equally and the property taxes are allocated based on the square footage each product uses in the factory. ABC, Inc. is considering eliminating Product A. If Product A is eliminated, the space currently being used to produce Product A can be rented out for $18,900 per year. Calculate the number of units of Product A that would need to be sold next year in order for ABC, Inc. to be economically indifferent between dropping and keeping Product A.