Find the profit driver.

The saved inputs total sixteen thousand spend and thirty four thousand six hundred twenty return. Bars share twelve thousandths of a pixel per dollar. The source displays return divided by spend times one hundred, two hundred sixteen point four percent rounded. Although the interface labels this blended ROI and its static note mentions one hundred fifty six point two, the actual formula is a gross return-to-spend ratio, not net profit divided by spend. These are user assumptions, not connected analytics or verified campaign results. For the same source inputs, thirty four thousand six hundred twenty minus sixteen thousand is eighteen thousand six hundred twenty net return. Bars share two hundredths of a pixel per dollar and compare spend with that net amount. Dividing net by spend would be one hundred sixteen point three seven five percent, but that is not the implemented percentage readout or exported ROI label. This distinction keeps a source labeling inconsistency visible rather than claiming a real business return or validated marketing attribution. The source selects channel A when its return-to-spend ratio is at least channel Bs. Default A is two point five six two and B one point five. Bars share one hundred fifty pixels per ratio unit. In a hypothetical A spend one hundred return two hundred fifty and B spend one thousand return two thousand, A still wins at two point five versus two even though B has more net dollars. Ties select A and zero spend uses zero for that channels ratio. This label is a source rule, not proof of profit attribution, a future campaign recommendation or live analytics.