A$.$ Forecast the budget for the next four months of $2019($Sept$-$Dec$)$ in a worksheet. B$.$ Create a trend chart showing the trend over the entire period in total sales revenue, total expenses and net profits. Be sure to select the right graph type and label the chart in order to indicate that you are displaying the results in thousands of dollars. C$.$ Create a pie chart showing the proportional distribution of expenses in December. Be sure to label the chart well.