For the Party Planner calculator exercise in Ch.5, the solution is missing a line of code, causing the calculator to not work properly. It seems adding the following line to the DisplayDinnerPartyCost() method fixes the problem:
Due to this error, the screenshot on page 206 is also incorrect, displaying the wrong cost.
Just wanted to let you know. It seems a fair number of people noticed mistakes in the book. I'm really enjoying the book so far myself so I wanted to help make it even better. Who knows, maybe I got an older version and you guys already fixed this..
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