Final answer:
To calculate the total investment for buying 100 shares of stock at $5 per share, you multiply the number of shares by the price per share, which results in a total of $500. So, the correct option is b) $500
Step-by-step explanation:
If you buy 100 shares of ABC stock at $5 per share, your total investment is calculated by multiplying the number of shares by the price per share.
So, 100 shares multiplied by $5 per share equals $500.
Your total investment would be:
100 shares x $5/share = $500
Therefore, the correct answer is b) $500.