"Now that we have analyzed our first iteration, we can see that we aren't quite at our target totals yet. To fix this, we must prepare for a Second Iteration.
In this next stage, we change our starting point. Instead of using the original survey data, we use the trip numbers we just calculated in iteration one as our new 'base' input data.
The most important step here is recalculating our growth factors. We do this by taking the ratio of our Future Target (where we need to be) over our Current E