Can I please have assistance on the following:

The contribution format income statement for Huerra Company for last year is given below:

Total Unit Sales $ 992,000 $ 49.60 Variable expenses 595,200 29.76 Contribution margin 396,800 19.84 Fixed expenses 320,800 16.04 Net Operating income 76,000 3.80 Income taxes @ 40% 30,400 1.52 Net income $ 45,600 $ 2.28 l Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 Compute the company's margin, turnover, and return on investment (ROI) for the period. (Round your intermediate calculations and final answer to 2 decimal places.) Turnover Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 Using Lean Production, the company is able to reduce the average level of inventory by $108,000. (Round your intermediate calculations and final answer to 2 decimal places.) Turnover Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 The company achieves a cost savings of $9,000 per year by using less costly materials. (Round your intermediate calculations and final answer to 2 decimal places.) Turnover Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 The company purchases machinery and equipment that increases average operating assets by $128,000. Sales remain unchanged. The new, more efficient equipment reduces production costs by $6,000 per year. (Do not round intermediate calculations and round your final answers to 2 decimal places.) Effect Margin % Turnover ROI %Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 As a result of a more intense effort by sales people, sales are increased by 15%; operating assets remain unchanged. (Round your intermediate calculations and final answer to 2 decimal places.) Turnover Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 At the beginning of the year, obsolete inventory carried on the books at a cost of $15,000 is scrapped and written off as a loss, thereby lowering net operating income. (Round your intermediate calculations and final answer to 2 decimal places.) Turnover Required 1 Required 2 Required 3 Required 4 Required 5 Required 6 Required 7 At the beginning of the year, the company uses $178,000 of cash (received on accounts receivable) to repurchase some of its common stock. (Round your intermediate calculations and final answer to 2 decimal places.) Turnover