Last month carl's stupid hotel had an adr of $200.00. the adr for his comp set for the same month was $225.00. prior to last month, carl's year-to-date adr index was 110%. what will always be true about his year-to-date adr index when last month's operating results are included in the year-to-date data? a. it will be greater than 110%b. it will be 88.9%c. it will be 112.5%d. it will be less than 110%