Let's check each case to determine the solution to the problem.
we know that
The cost of each flower arrangements is

Statements
case A) 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
case B) 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
case C) 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
case D) 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
case E) 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