Cathy Company reports the following selected items that appear on its income statement: Cost of goods sold Operating expenses Other revenue Income taxes $1,990 Sales revenue $4,315 Discontinued operations, net of 2,300 50 taxes 800 650 By what amount would net income reported on a single-step income statement differ from net income reported on a multiple-step income statement? $0 $1,990 Oby the amount of the gross margin O $50 O $800