<span>A. Investors always make money from investing in the stock market.
B. Even non-investors are influenced by the stock market.
C. All of the above are true
D. All stock markets feature physical location-based auctions of stocks</span>
<span>if these are the answer choices, then the answer would be B. even non-investors are influenced by the stock market</span>
I would believe the conclusion or the plot. I'm not certain so I could be wrong.
Sales tax is regressive, the second is progressive, and the third is proportional.