Manufacturing cost $24.50 Another company has offered to sell Carrollton the switch for $18.50 per unit. Carrollton needs 84,000 optical switches. By outsourcing them, Carrollton can use its idle facilities to make another product that will contribute $254,000 to operating income. Which plan makes the best use of Carrollton (with justification)? Carrollton continues making the product because the company can generate $252,000. 2 Carrollton outsources making the product because the company can generate $252,000 3 Carrollton outsources making the product because the company can generate $2,000. 4 Carrollton continues making the product because the company can generate $2,000