Plant management costs, $1,464,000 per year Cost of leasing equipment, $2,856,000 per year Workers' wages, $700 per Surfer vehicle produced Direct materials costs: Steel, $1,200 per Surfer; Tires, $110 per tire, each Surfer takes 5 tires (one spare) City license, which is charged monthly based on the number of tires used in production: 0-500 tires $ 50,000 501-1,000 tires $ *70,000 more than 1,000 tires $ 240,000 Requirements 1. What is the variable manufacturing cost per vehicle? What is the fixed manufacturing cost per month? 2. Plot a graph for the variable manufacturing costs and a second for the fixed manufacturing costs per month. How does the concept of relevant range relate to your graphs? Explain. 3. What is the total manufacturing cost of each vehicle if 90 vehicles are produced each month? 215 vehicles? How do you explain the difference in the manufacturing cost per unit? Seashore Motors specializes in producing one specialty vehicle. It is called Surfer and is styled to easily fit multiple surfboards in its back area and top-mounted storage racks. Seashore has the following manufacturing costs: Click the icon to view the manufacturing costs.) Seashore currently produces 130 vehicles per month