4. ABC Company currently purchases part X from a third party supplier. The third party supplier has recently increased its price for part X to $10 per unit. ABC Company uses 1,000 units of part X per year. Given the increase in price ABC is now considering producing part X in house. Cost data for producing part X are as follows Direct materials Direct labor Variable overhead Fixed overhead Fixed selling and admin $4.00/unit $3.00/unit $1.00/unit $2.00/unit $2.50/unit Should ABC Company continue to purchase part X from the third party supplier or make part X themselves