In the course of creating an effective business message, excellent business thinkers are most likely to
a. make well-reasoned conclusions and solutions.
b. begin jotting down a rough draft right away to capture their ideas.
c. gather information from one strong source rather than from a variety of sources.
d. encourage one-way linear thinking and a rigid approach to business problems.
e. avoid using the other-oriented tone in their text.

a) make well-reasoned conclusions and solutions ; & b) begin jotting down a rough draft right away to capture their ideas.

Explanation:

Effective Business message should be - complete, clear, concise, concrete, correct, courteous, coherent.

Rough draft is good for brainstorming & initial preliminary creation stage of business message. After having a bunch of ideas : its important to well arrange them in a coherent, clear way & giving complete, concise structure. This implies better understanding of conclusions, solutions.