chadedrupt/gist:3291477

## gistfile1.cs
var jobsOwing = from t in Db.Transactions
                group t by t.Job into g
                where g.Sum(t => t.Value) < 0
                select new { Job = g.Key, NetPosition = g.Sum(t => t.Value) };
	var jobsOwing = from t in Db.Transactions
	group t by t.Job into g
	where g.Sum(t => t.Value) < 0
	select new { Job = g.Key, NetPosition = g.Sum(t => t.Value) };