TroutPro Co. manufactures fishing equipment. During 2016, total costs associated with manufacturing 13,000 fly-cast fishing rods (a new product introduced this year) were as follows: Raw materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead $ 68.100 18,300 14,700 20,000 Required: a. Calculate the cost per fishing rod under both variable costing and absorption costing. (Round your answers to 2 decimal places.) Variable cost per rod Absorption cost per rod b. If 360 of these fishing rods were in finished goods inventory at the end of 2016, by how much and in what direction (higher or lower) would 2016 operating income be different under variable costing than under absorption costing? (Do not round intermediate calculations.) Under variable costing, operating income would be than under absorption costing C-1. Express the fishing rod cost in a cost formula. (Round your answers to 2 decimal places.) Total cost per fishing rod produced C-2. What does this formula suggest the total cost of making an additional 500 fishing rods would be? (Round your intermediate calculations and final answer to 2 decimal places.) Total additional cost