Question $3(15$ marks$)$:

Write a Python program that plots a bar and line graph on the same grid. The bar graph should represent the monthly sales figures of a company for the first half of the year $($January to June$).$ The line graph should represent the cumulative sales over these months.

Use NumPy to generate random sales data for six months.

Plot the monthly sales figures as a bar graph.

Plot the cumulative sales as a line graph on the same grid.

Label the $\backslash ($ x $\backslash )-$axis with the months $($January to June$)$ and label the $\backslash ($ y $\backslash )-$axis with the sales figures.

Add a title and a legend to the graph.