Answer:
He can make as many enrollment changes as he likes during the Annual Election Period and the last choice made prior to the end of the period will be the effective one as of January 1.
Step-by-step explanation:
Annual election period is between October 15 - December 7. During this time period, one with Medicare plan can make changes in their Medicare health plans for the following year to better meet their needs.
In this case, Mr. Ford can also make changes between this period as he called on December 1. His changes will be effective from the January 1.
Thus, the correct answer is - He can make as many enrollment changes as he likes during the Annual Election Period and the last choice made prior to the end of the period will be the effective one as of January 1.