Final answer:
To ascertain what Giatra Electronics did during the year, we must consider if they expanded their product line, opened new stores, or launched a new advertising campaign. The correct option could be any of these or all, without specific information we cannot confirm.
Step-by-step explanation:
To determine what Giatra Electronics did during the year, we would need to evaluate their company activities based on the given options. Option 1 suggests they expanded their product line, meaning they introduced new products. Option 2 implies they opened new stores, which would indicate physical expansion and possibly entering new markets. Option 3 points to the company having launched a new advertising campaign, aiming to increase brand awareness and sales. If all these activities occurred, then the correct choice would be option 4: All of the above. Without specific information about the company's activities during the year, however, we cannot definitively choose an option.