Problem 2 . . Bright Lamp Company produces 50,000 sockets for its lamps each month at the following costs: Direct labor costs are $3 per unit. Direct materials costs are $2 per unit. Variable manufacturing overhead is $1.40 per unit. Fixed manufacturing costs are $120,000 per month, and only $20,000 can be eliminated if the company no longer makes its own sockets. A supplier has offered to sell Bright Company the sockets for $8.00 each. . Using incremental analysis, what is the increase (positive) or decrease (negative) in net income if Bright Company buys them from the supplier