The answer will be B. It increased
Answer:
D.
Municipal bond because the equivalent taxable yield is 6.6%
Explanation:
we should make the important difference that municipal bonds are tax free while corporate bonds don't.
Therefore we should solve for the after tax rate fo the corporate bond:

The corporate bond as a yield of 4.5% after taxes which is lower than the municipal bond. This make it more attractive
We can also solve for the pre-tax rate of the municipal bond:

the municipal bonds would be equivalent to a 6.6% corporate bonds.
This makes option D correct.
Answer: Option A. established cooperatives for storing and marketing farm output
Explanation:
The Granges consist of many group of people that are mainly farmers and other group of people. The Grange is based on farm and rural community value. The Grange helps people, especially farmers by established cooperatives for storing and marketing farm output. Most Granges support community service and volunteer work in addition to providing their members with a community with whom to discuss farming matters. The Grange tries to bring together people involved in different areas of agriculture as well as different parts of the community.