Answer:
C
Step-by-step explanation:
As it is given that Room B has a greater rate then room A so
By looking at the tables given below in the question we see that
in option A the values of Room A is greater then room B so it defies the given statement
in option B the 3rd and 4th value is greater in Room A then B so it also defies the given statement
in option C all the values proved to be correct according to given statement
in Option D All values are smaller so it also defies the given statement.
So the correct statement is Option C