For example, expect the cost of a new roof with tile to be more than wood shingles. However, heavier and longer-lasting shingles of a low cost material can cost as much or more than the low-end of a more expensive roofing material, such as tile.he cost of a new roof with asphalt is among the lowest of any popular material and they carry a moderate lifespan. Advantages: 1  Average 20+ year lifespan. 2  Low cost.
Characteristics of Security Indexes. 1. A price weighted series is the average of the stocks' prices in the series. It is calculated by adding together each stock price and dividing the total by the number of stocks in the series.
Although the companies within the Dow Jones represent only about 25 percent of all stocks, the DJIA is widely accepted as the leading indicator of market health. The Wilshire 5000. This index represents up to 5,000 companies of all shapes and sizes, from gigantic corporations to the smallest of small companies.