Final answer:
Matias needs to place a limit order to buy 3,000 shares of DAR at $3.50 or less per share, ensuring he does not pay more than his desired price.
Step-by-step explanation:
Matias should place a limit order to purchase 3,000 shares of DAR at $3.50 or better. This type of order will ensure that he does not pay more than $3.50 per share. If the stock can be bought at $3.50 or less, the order will be executed. Otherwise, the order will not go through until the price meets or falls below his specified limit.