ohnson, LLC’s bonds have exhibited a substantial trading volume in the past few years. Its bonds would be referred to a

Seasonal issue

Explanation:

The seasoned issue or seasonal issue is that issue which is made for extra securities held from the company i.e established and it considered those securities who are already traded in the secondary market. The bond which are outstanding and traded in the secondary markets is known as seasoned issued

Since in the question it is mentioned that there is a substantial trading volume in the past few years so this represents the seasoned issue  

answer; (a) calling people who have not shown interest in the product and asking them to buy it;

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