Listed here, are data that pertain the the corporate bond market. (Note: Each "period" below covers a span of 6 months.) a. Compute the confidence index for each of the four periods listed above. b. Assume the latest confidence index (for period 0 , in effect) amounts to 86.83%, while the yield spread between high- and average-grade corporate bonds is 85 basis points. Based on your calculations, what's happening to bond yield spreads and the confidence index over the period of time covered in the problem (i.e., from period 0 through period 4)? c. Based on the confidence index measures you computed, what would be your overall assessment of the stock market? In which one or more of the periods (1 through 4) is the confidence index bullish? In which one(s) is it bearish? Confidence index for period 2 is \%. (Round to two decimal places.) Confidence index for period 3 is %. (Round to two decimal places.) Confidence index for period 4 is \%. (Round to two decimal places.) b. The bond yield spreads fluctuate and then , while the confidence index goes and then (Select from the drop-down menus.) c. The overall market is The most bullish period is , while the most bearish period is (Select from the drop-down menus.) Data table (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.)