Let's check each case to determine the solution to the problem.
we know that
The cost of each flower arrangements is 
Statements
<u>case A)</u> If the price is marked down by
percent, the new price will be 
we know that
If the price is marked down by
percent
then
the new price will be

therefore
The statement case A) is True
<u>case B)</u> If the price is marked down by
percent, the new price will be 
we know that
If the price is marked down by
percent
then
the new price will be

therefore
The statement case B) is True
<u>case C)</u> If the price is marked down by
percent, the new price will be 
we know that
If the price is marked down by
percent
then
the new price will be


therefore
The statement case C) is False
<u>case D)</u> If the price is marked down by
percent, the new price will be 
we know that
If the price is marked down by
percent
then
the new price will be


therefore
The statement case D) is True
<u>case E)</u> If the price is marked down by
percent, the new price will be 
we know that
If the price is marked down by
percent
then
the new price will be


therefore
The statement case E) is False