Just the price of the account doesn't mean much alone. The other important factor is how easily the account can get (shadow)banned from the region you are trying to influence. And for the price given we just know it's account. We don't know how sketchy it appears to the provider.

Not all accounts are created equal. For example a verified US account will be cheaper than a verified Japan account because Japan has stricter regulations around phone numbers. And then if you don't have a Japan account you might not be able to reach a potential Japanese audience due to not only antitrust of the platform, but also features that use geolocation for relevance.