Answer:
14,560 units.
Step-by-step explanation:
Variable costs for Product A = $140,000 / 7,000 units
Variable costs for Product A = $20
Avoidable costs for Product A:
Advertising $23,800
Rent $17,300
Supervisor's salary $31,700
Avoidable costs for Product A $72,800
Contribution margin per unit = $25 - $20 = $5
Economically indifferent units = Avoidable costs for Product A/Contribution margin per unit
Economically indifferent units = $72,800 / $5
Economically indifferent units = 14,560 units
So therefore, the number of units of Product A that would need to be sold next year is 14,560 units.