1. During its first year of operations, Martin Company paid $4,000 for direct materials and $8,500 for production workers' wages. Lease payments and utilities on the production facilities amounted to $7,500 while general, selling, and administrative expenses totaled $3,000. The company produced 5,000 units and sold 4,000 units at a price of $7.50 a unit. What is the amount of gross margin for the first year?