Sal has ordered $100$ pounds of shrimp for his restaurant from Sam every Friday for $5$ years and has always pald that week's market price.

One Friday, Sal dedides to take a vacation but doesnit tell Sam. Sam claims they have a contract, even though it was never written down.

What kind of contract do they have?

impled$-$in$-$fact

quasi

implied$-$inHaw