Answer:
The influence tactic you’re using with your friend is: Exchanging.
Step-by-step explanation:
Exchange is a soft approach to influence others by swapping favors. The influence tactic is about a promise that other will receive rewards if they comply with the request made. Like a favor being reciprocated. Creating, like in the example, a win-win situation, where if you friend helps you with the graphics, you will help him complete the spreadsheet he’s be having a difficult time with.