Consider the following market statistics:

Day	1	2	3	4
Advances	1270	1260	1160	1320
Declines	860	940	840	1020
Volume Advancing	1500	1420	1800	1440
Volume Declining	650	590	750	560
Yield on top-rated corporate bonds	5.1%	4.8%	4.9%	4.5%
Yield on intermediate-grade corporate bonds	4.4%	4.2%	4.4%	4.1%

Compute the following ratios/indices for each of the four days, and state whether these indicate a bullish or bearish signal:

a) The TRIN ratios.

b) The confidence index.

c) The market breadth.

d) The cumulative breadth.