From the sounds of it, TVT now has a version of DD to play with.
So, here’s the two sets of flow numbers to compare:
Lift——A/B
.100— 67/74
.200—127/134
.300—183/197
.400—243/252
.500—295/294
.600—350/296
See how the program deals with area under the curve vs the big number @.600 lift.