Hmm, so 730k * 30 = 21.9M... with $21M and $12M figures in play, there may have been a digit transposition mistake somewhere, plus maybe truncation instead of r

Hmm, so 730k * 30 = 21.9M... with $21M and $12M figures in play, there may have been a digit transposition mistake somewhere, plus maybe truncation instead of rounding... Not that those are lesser mistakes, of course.