misAdventures of Workmonkey 3.0

I've just returned to my desk with lunch: The 6-inch ham and turkey on wheat from Subway. I originally went to Subway to get a 6-inch turkey on wheat, which costs$3.97. I changed my order to a 6-inch turkey AND HAM on wheat when I realized that sandwich cost only $3.78. Perhaps some of my more financially-minded readers could help explain to me the economics behind this. You add a meat, and the sandwich decreases in price? That'd be like if a cheeseburger was 3 dollars, while a double cheeseburger was 2 dollars. And what stops me from buying the turkey and ham for 20 cents less, and then just removing the ham, so I can have a turkey sandwich? This sort of shrewd thinking is why I now have 20 more cents in my pocket than I otherwise would have. Calculations have revealed to me that in five years I could conceivably earn 365 extra dollars with this scheme. In 15 years I can have enough for that flat screen i've had my eye on. However much I enjoy saving money, I still cannot explain the sense of lowering the price of a sandwich as you add elements to it. But don't question what you don't understand, i've been told. Just save the 20 cents, get older, and spend away.