Suppose a competitive, profit-maximizing firm operates at a point where its short-run average cost curve is upward

Question:

Suppose a competitive, profit-maximizing firm operates at a point where its short-run average cost curve is upward sloping. What does this imply about the firm's economic profits? If the profit-maximizing firm operates at a point where its short-run average cost curve is downward sloping, what does this imply about the firm's economic profits?