It depends on the type of laptop. Today, a brand new laptop can be had for $350. If this was, say, a 4-year old model with a lot of wear and tear on the surface

It depends on the type of laptop. Today, a brand new laptop can be had for $350. If this was, say, a 4-year old model with a lot of wear and tear on the surface (possibly, since it was a laptop that was loaned to people), then it's possible that it appeared worth under $100.