When 90% is considered perfect...

There are those moments when achieving 90% eclipses the ever-elusive 100%.
Case in point...Jack's Grade 1 Health Test:

 

 As an aside, since when is 9/10 only considered "good"? That's damn-near perfect, sweetheart...

 

I didn't have the heart to tell him that the answer is clearly "b". That's how I managed to survive with eight of us kids in the house - take it from one of your siblings and be done with it. Daddy's answer would fall into the category of "none of the above", and could loosely be summarized as follows:

Check if it's an Air Miles special. Then yes, of course we need it.

For the record though, I think your answer was right. You're 100% in my books.
Don't ever change, Captain Jack.