Eco question 2

I'm not sure where I'm supposed to draw the line. I drew a line to the right of it, but it marked it. wrong and I'm not sure why? is it supposed to be to the left of the line? Is it possible to know the exact coordinates?

Which of the following is not one of the five major
factors that shifts the demand curve when it
changes?
Tastes and preferences.
The number of buyers.
The price of substitute goods.
The price of the good itself.
When one of the five major factors changes, causing
an increase in demand, the demand curve shifts
rightward
The graph to the right illustrates the demand for
smartphones in a country.
If the price of a complementary good increases, how
would the demand for a normal good be impacted?
1. ) Using the line drawing tool, depict how this
increase will impact the demand for smartphones.
Label the new curve 'D2'
Carefully follow the instructions above and only draw
the required object.