What are the key differences between the S$\backslash$&P $500$ and the Dow Jones Industrial Average $($DJA$)$ in terms of company representation and Index calculations?

The S$\backslash$&P $500$ represents a much fewer number of companies and is weighted based O on company stock prices, while the DJA represents a much larger number of companies and its index is market cap weighted.

The S$\backslash$&P $500$ represents a much larger number of companies and is wejghted based Oon company stock prices, while the DJA represents much fewer companies and its index is market cap weighted.

The S$\backslash$&P $500$ represents a much larger number of companies and is market cap weighted, while the DuA represents much fewer compariestand its index is weighted based on company stock prices.