Cost-volume-profit - 22 minutes Donner Ltd.'s projected contribution-format income statement for the upcoming year is as follows: Sales (8,000 units) $240,000 Nariable expenses 96,000 Contribution margin 144,000 Fixed expenses 90,000 Net operating income $54,000 Required: a) Calculate the company's margin of safety in dollar terms b) The company's manager thinks that a change to the production process will increase profitability. The manager's plan would increase fixed expenses by $30,000. Variable expenses would decrease by 10% and sales are expected to increase by 5%. What is the net dollar advantage or disadvantage of this change? c) Refer to the original data, the company expects to increase the salaries of its direct labour workforce, which will increase variable expenses by 5%. The manager wants to keep the same contribution margin ratio as the original data. What sales price will need to be charged to keep the same contribution margin ratio