Pls Help In the figure below, line AD is parallel to line HJ and the line GK is parallel to the line CF. Which argument correctly explains why m∠3=m∠9?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday