Tin has many uses. It takes a high polish and is used to coat other metals to prevent corrosion, such as in tin cans, which are made of tin-coated steel. Alloys of tin are important, such as soft solder, pewter, bronze and phosphor bronze.
In fact, surveys suggest that 75 percent of small firms donate to charities each year, averaging a contribution of six percent of their profits. Women-owned businesses tend to donate an average of 10 percent of profits, and those with the highest revenues are, not surprisingly, the most generous. (Source)
Florida College, which previously appeared on this list, saw the average percentage of alumni donating decline from 54.4 percent in 2012-2013 and 2013-2014 to 41 percent in 2013-2014 and 2014-2015. Among the top 10 schools, an average of around 53 percent of former students donated.