ACME Company has a product which it currently sells in the market for $50 per unit. ACME has developed a new feature which, if added to the existing product, will allow ACME to receive a price of $70 per unit. The cost of adding this new feature is $21,000 and ACME expects to sell 1,500 units over the next year. What is the cost or benefit of ACME adding the feature to the product? $2,000 benefit $9,000 cost $5,000 benefit $9,000 benefit