Final answer:
Ed, as a cash basis taxpayer, must report the dividend income on January 2, 2015, when he actually received the dividend check.
Step-by-step explanation:
The question relates to when a cash basis shareholder should report dividend income. According to the Internal Revenue Code, cash basis taxpayers must report income in the year it is actually or constructively received. In the scenario provided, Ed, being a cash basis shareholder, should report the dividend income when he actually receives the check. Therefore, the correct answer is that Ed should report the income from the dividend on January 2, 2015, the day he received the check.