Please calculate the percent increase in unit sales

Assume the price remains at $40 per unit and variable costs remain the same per unit, but fixed costs increase by 16% annually. Calculate the percentage increase in unit sales required to achieve the same level of annual operating income calculated in part second part. (Round answer to 2 decimal places, e.g. 15.25\%.) Assuming fixed costs and net sales are spread evenly throughout the year, determine Sandhill's monthly break-even point in units and dollars. (Round answers to 0 decimal places, e.g. 5,275.) eTextbook and Media Attempts: 1 of 4 used (b) Your answer is correct. Calculate the contribution margin ratio, the annual margin of safety ratio, and the annual operating income. (Round answers to 0 decimal places, e.g. 15 or 15%.)