Let's say you owe me $20.
You decide that to pay me back, you'll set up a lemonade stand. There's about $50 in overhead: lemons, sugar. And don't forget wages for the younger siblings you'll be pressing into service to man the booth.
In the meantime, I decide to charge you $13 in interest. And suddenly, you find yourself needing to raise $100 to pay me that original $20.
That's the position in which users of the new State Route 99 waterfront tunnel will find themselves. KUOW's Paige Browning has been following the story, and joined Bill Radke to break down the numbers.