Please help with the percentages that I have incorrect

Shannon Company segments its income statement into its North and South Divisions. The company's overall sales, contribution margin ratio, and net operating income are $720,000,44%, and $14,400, respectively. The North Division's contribution margin and contribution margin ratio are $129,600 and 48%, respectively. The South Division's segment margin is $76,500. The company has $122,400 of common fixed expenses that cannot be traced to either division. Required: Prepare an income statement for Shannon Company that uses the contribution format and is segmented by divisions. In addition, for the company as a whole and for each segment, show each item on the segmented income statements as a percent of sales. Note: Round your percentage answers to 1 decimal place (i.e .1234 should be entered as 12.3 )