Answer:
Sales (300,000 units × $15 per unit)           $4,500,000
Less desired profit (12% × $5,000,000)         600,000
Target cost for 300,000 units                 $3,900,000  Â
Target cost of 1 unit(3,900,000 / 300,000) Â Â Â Â Â Â Â Â 13