This variety of k-cup is $31.29 for 40 k-cups. If you do the math, that's $0.78 per k-cup.
Amazon is a bit wordier with how they named this product. They call it "Joe Knows Coffee, Tall Dark and Handsome, Single Serve Coffee Pods, Rich, Bold Roast, 40 Count, Compatible with Keurig 2.0 Brewers".
Some additional details about this product:
Need to know more? You can read more about this product on Amazon.
Oh, and here's a picture if you've never seen k-cup pods before: