Determine the Range of annual “Volume of business Q” for which each of the two alternatives?

Added 3+ months ago:

You are the operations manager for Louisiana Sporting Goods Co. The company has designed new "Oyster shucking" knife that is expected to reduce risk of injury to the user. Your firm plans to begin production of these knives soon. Either of two machines (processes), A or B could be used for in-house production. Machine A would have a fixed cost of $60,000 and a variable cost of $5 per unit produced, and B would have a fixed cost of $80,000 but a variable cost of $3 per unit. Each knife is expected to sell for $15.