$1.$ If the average daily rate $($ADR$)$ for the first night of a hotel stay is $$80$ and the occupancy percentage is $80\%,$ and the ADR for the second night of a hotel stay is $$85$ and the occupancy percentage is $78\%,$ which night appears to be more preferable in terms of revenue?

a$.$the first night

b$.$the second night

c$.$both are equal

d$.$There is not enough information to calculate.

$2.$ What is the contribution margin for a room that has a room rate of $$130$ and a variable cost of $$40?$

a$.$$$90$

b$.$$$95$

c$.$$$170$

d$.$$$175$