A window conundrum

Although most of the windows of the first floor are on the southern side, there is a ribbon of windows on the northern side, to display the amazing northwest views.  The framing for these windows is already in place, but when we checked it out, we discovered a problem:

We talked to Carol and Dan, and the windows were installed at the specified height.  Proportionally, this height makes sense, since the bottom of the window would be at the same height as standard height of chair and sofa backs.  When sitting down, we'd be looking right out the windows.  However, in order to see out of the windows while standing, Matt would have to stoop over (he's 6' tall.)  Since two of the seven windows had not yet been framed, Dan put in temporary framing to show two other heights to consider:

Original on the right, 6" higher in the middle, 12" higher on the left

Here's what Matt sees through each window:

Original

6" higher

12" higher

From this angle, 12" is obviously best.  We also brought up a few chairs of different heights to simulate the dining and living room chairs.  We stood in the kitchen, as if we were doing dishes.  We imagined sitting at a desk under the window.  We looked through all three heights from every possible angle.  And in the end, we decided to raise the windows 6".  So, we brought the crew a half dozen donuts since the deconstruction process was likely to be worse than the original construction.  The last time we were up there, they were moving the last window header.