Use the information in the table below to calculate the trin ratio for October 1 and February 1. State whether each ratio represents a bullish or a bearish outlook. (Round your answers to 2 decimal places.) Advances Declines Volume advancing Volume declining October 1 8,511 4,374 2,741.828 1.930, 742 February 1 8,935 10,911 3,618,246 900,622 a-1. October 1 Trin a-2. (Click to select) b-1. February 1 Trin b-2. Click to select)