This variety of k-cup is $24.98 for 60 k-cups. If you do the math, that's $0.42 per k-cup.
Amazon is a bit wordier with how they named this product. They call it "Starbucks Dark Roast K-Cup Coffee Pods — Sumatra for Keurig Brewers — 10 count (Pack of 6)".
Some additional details about this product:
Need to know more? You can read more about this product on Amazon.
Oh, and here's a bunch of pictures if you've never seen k-cup pods before: