Using existing plant and equipment, Priceless Moments Figurines can be manufactured using plastic, clay, or any combination of these materials. A figurine can be manufactured by F = 4P + 2C, where P is pounds of plastic and C is pounds of clay. Plastic costs $2 per pound and clay costs $5 per pound. What would be the lowest cost of producing 40,000 figurines? a. $20,000 b. $100,000 c. $60,000 d. $10,000