Rooney Company currently produces and sells 7,100 units annually of a product that has a variable cost of $9 per unit and annual fixed costs of $354,100. The company currently earns a $79,000 annual profit. Assume that Rooney has the opportunity to invest in new labor-saving production equipment that will enable the company to reduce variable costs to $7 per unit. The investment would cause fixed costs to increase by $10,800 because of additional depreciation cost. Required a. Use the equation method to determine the sales price per unit under existing conditions (current equipment is used). b. Prepare a contribution margin income statement, assuming that Rooney invests in the new production equipment. Complete this question by entering your answers in the tabs below. Required A Required B Use the equation method to determine the sales price per unit under existing conditions (current ec Sales price per unit Required Required B