Required information [The following information applies to the questions displayed below.] Chuck Wagon Grills, Incorporated, makes a single product-a handmade specialty barbecue grill that it sells for $210. Data for last year's operations follow: Required: 1. Assume that the company uses variable costing. Compute the unit product cost for one barbecue grill. 2. Assume that the company uses variable costing. Prepare a contribution format income statement for last year. 3. What is the company's break-even point in terms of the number of barbecue grills sold? Assume that the company uses variable costing. Prepare a contribution format income statement for last ye